diff --git a/validate/unit.schema.js b/validate/unit.schema.js
new file mode 100644
index 0000000..058e91c
--- /dev/null
+++ b/validate/unit.schema.js
@@ -0,0 +1,21 @@
+const Joi = require("joi");
+
+// ========================
+// Unit Validation
+// ========================
+const insertUnitSchema = Joi.object({
+    unit_name: Joi.string().max(100).required(),
+    tag_id: Joi.number().integer().optional(),
+    is_active: Joi.boolean().required(),
+});
+
+const updateUnitSchema = Joi.object({
+    unit_name: Joi.string().max(100).optional(),
+    tag_id: Joi.number().integer().optional(),
+    is_active: Joi.boolean().optional()
+}).min(1);
+
+module.exports = {
+    insertUnitSchema,
+    updateUnitSchema
+};