diff --git a/AOS/app/src/main/java/boostcamp/and07/mindsync/ui/dialog/EditDescriptionDialog.kt b/AOS/app/src/main/java/boostcamp/and07/mindsync/ui/dialog/EditDescriptionDialog.kt
index 7240a5f9..4eee8e1b 100644
--- a/AOS/app/src/main/java/boostcamp/and07/mindsync/ui/dialog/EditDescriptionDialog.kt
+++ b/AOS/app/src/main/java/boostcamp/and07/mindsync/ui/dialog/EditDescriptionDialog.kt
@@ -10,17 +10,22 @@ import android.view.View
 import android.view.ViewGroup
 import android.view.WindowManager
 import androidx.fragment.app.DialogFragment
+import androidx.navigation.fragment.navArgs
+import androidx.navigation.navGraphViewModels
 import boostcamp.and07.mindsync.R
+import boostcamp.and07.mindsync.data.NodeGenerator
+import boostcamp.and07.mindsync.data.crdt.OperationType
+import boostcamp.and07.mindsync.data.model.CircleNode
+import boostcamp.and07.mindsync.data.model.RectangleNode
 import boostcamp.and07.mindsync.databinding.DialogEditDescriptionBinding
+import boostcamp.and07.mindsync.ui.mindmap.MindMapViewModel
 
 class EditDescriptionDialog : DialogFragment() {
     private var _binding: DialogEditDescriptionBinding? = null
     private val binding get() = _binding!!
     private lateinit var editDialogInterface: EditDialogInterface
-
-    fun setListener(listener: EditDialogInterface) {
-        editDialogInterface = listener
-    }
+    private val mindMapViewModel: MindMapViewModel by navGraphViewModels(R.id.nav_graph)
+    private val args: EditDescriptionDialogArgs by navArgs()
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         val dialog = super.onCreateDialog(savedInstanceState)
@@ -36,16 +41,46 @@ class EditDescriptionDialog : DialogFragment() {
         savedInstanceState: Bundle?,
     ): View {
         _binding = DialogEditDescriptionBinding.inflate(inflater, container, false)
-        binding.run {
-            btnCancel.setOnClickListener {
-                dismiss()
-            }
-            btnSubmit.setOnClickListener {
-                editDialogInterface.onSubmitClick(binding.etNodeDescription.text.toString())
-                dismiss()
+        return binding.root
+    }
+
+    override fun onViewCreated(
+        view: View,
+        savedInstanceState: Bundle?,
+    ) {
+        super.onViewCreated(view, savedInstanceState)
+        setupCancelBtn()
+        setupSubmitBtn()
+    }
+
+    private fun setupSubmitBtn() {
+        binding.btnSubmit.setOnClickListener {
+            val node = args.node
+            val description = binding.etNodeDescription.text.toString()
+            when (args.operation) {
+                OperationType.ADD -> {
+                    mindMapViewModel.addNode(node, NodeGenerator.makeNode(description, node.id))
+                }
+
+                OperationType.UPDATE -> {
+                    val newNode =
+                        when (node) {
+                            is CircleNode -> node.copy(description = description)
+                            is RectangleNode -> node.copy(description = description)
+                        }
+                    mindMapViewModel.updateNode(newNode)
+                }
+
+                else -> {}
             }
+            dismiss()
+        }
+    }
+
+    private fun setupCancelBtn() {
+        binding.btnCancel.setOnClickListener {
+            dismiss()
         }
-        return binding.root
     }
 
     override fun onStart() {
diff --git a/AOS/app/src/main/java/boostcamp/and07/mindsync/ui/mindmap/MindMapFragment.kt b/AOS/app/src/main/java/boostcamp/and07/mindsync/ui/mindmap/MindMapFragment.kt
index b77a0470..e50df17f 100644
--- a/AOS/app/src/main/java/boostcamp/and07/mindsync/ui/mindmap/MindMapFragment.kt
+++ b/AOS/app/src/main/java/boostcamp/and07/mindsync/ui/mindmap/MindMapFragment.kt
@@ -1,22 +1,19 @@
 package boostcamp.and07.mindsync.ui.mindmap
 
 import android.util.Log
-import androidx.fragment.app.viewModels
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
+import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
+import androidx.navigation.navGraphViewModels
 import boostcamp.and07.mindsync.R
-import boostcamp.and07.mindsync.data.NodeGenerator
-import boostcamp.and07.mindsync.data.model.CircleNode
+import boostcamp.and07.mindsync.data.crdt.OperationType
 import boostcamp.and07.mindsync.data.model.Node
-import boostcamp.and07.mindsync.data.model.RectangleNode
 import boostcamp.and07.mindsync.data.model.Tree
 import boostcamp.and07.mindsync.data.network.SocketState
 import boostcamp.and07.mindsync.databinding.FragmentMindMapBinding
 import boostcamp.and07.mindsync.ui.base.BaseFragment
-import boostcamp.and07.mindsync.ui.dialog.EditDescriptionDialog
-import boostcamp.and07.mindsync.ui.dialog.EditDialogInterface
 import boostcamp.and07.mindsync.ui.util.Dp
 import boostcamp.and07.mindsync.ui.util.Px
 import boostcamp.and07.mindsync.ui.util.ThrottleDuration
@@ -36,7 +33,9 @@ class MindMapFragment :
     NodeClickListener,
     TreeUpdateListener,
     NodeMoveListener {
-    private val mindMapViewModel: MindMapViewModel by viewModels()
+    private val mindMapViewModel: MindMapViewModel by navGraphViewModels(R.id.nav_graph) {
+        MindMapViewModelFactory()
+    }
     private lateinit var mindMapContainer: MindMapContainer
     private val args: MindMapFragmentArgs by navArgs()
 
@@ -111,42 +110,39 @@ class MindMapFragment :
     }
 
     private fun showDialog(
-        selectNode: Node,
-        action: (Node, String) -> Unit,
+        operationType: OperationType,
+        selectedNode: Node,
     ) {
-        val dialog = EditDescriptionDialog()
-        dialog.setListener(
-            object : EditDialogInterface {
-                override fun onSubmitClick(description: String) {
-                    action.invoke(selectNode, description)
-                }
-            },
+        findNavController().navigate(
+            MindMapFragmentDirections.actionMindMapFragmentToEditDescriptionDialog(
+                operationType,
+                selectedNode,
+            ),
         )
-        dialog.show(requireActivity().supportFragmentManager, "EditDescriptionDialog")
     }
 
     private fun setClickEventThrottle() {
         with(binding) {
-            imgbtnMindMapAdd.setClickEvent(lifecycleScope, ThrottleDuration.SHORT_DURATION.duration) {
+            imgbtnMindMapAdd.setClickEvent(
+                lifecycleScope,
+                ThrottleDuration.SHORT_DURATION.duration,
+            ) {
                 mindMapViewModel.selectedNode.value?.let { selectNode ->
-                    showDialog(selectNode) { parent, description ->
-                        mindMapViewModel.addNode(parent, NodeGenerator.makeNode(description, parent.id))
-                    }
+                    showDialog(OperationType.ADD, selectNode)
                 }
             }
-            imgbtnMindMapEdit.setClickEvent(lifecycleScope, ThrottleDuration.SHORT_DURATION.duration) {
+            imgbtnMindMapEdit.setClickEvent(
+                lifecycleScope,
+                ThrottleDuration.SHORT_DURATION.duration,
+            ) {
                 mindMapViewModel.selectedNode.value?.let { selectNode ->
-                    showDialog(selectNode) { node, description ->
-                        val newNode =
-                            when (node) {
-                                is CircleNode -> node.copy(description = description)
-                                is RectangleNode -> node.copy(description = description)
-                            }
-                        mindMapViewModel.updateNode(newNode)
-                    }
+                    showDialog(OperationType.UPDATE, selectNode)
                 }
             }
-            imgbtnMindMapRemove.setClickEvent(lifecycleScope, ThrottleDuration.SHORT_DURATION.duration) {
+            imgbtnMindMapRemove.setClickEvent(
+                lifecycleScope,
+                ThrottleDuration.SHORT_DURATION.duration,
+            ) {
                 mindMapViewModel.selectedNode.value?.let { selectNode ->
                     mindMapViewModel.removeNode(selectNode)
                 }