diff --git a/datastructure/singlylink.go b/datastructure/singlylink.go
new file mode 100644
index 0000000..c06cc79
--- /dev/null
+++ b/datastructure/singlylink.go
@@ -0,0 +1,12 @@
+package datastructure
+
+// Node is a linkedlist node, which have a value and Pre points to previous node, Next points to a next node of the link.
+type Node[T any] struct {
+	Value T
+	Pre   *Node[T]
+	Next  *Node[T]
+}
+
+func NewNode[T any](value T) *Node[T] {
+	return &Node[T]{value, nil, nil}
+}