diff --git a/include/neu_license.h b/include/neu_license.h
new file mode 100644
index 00000000..031e8e06
--- /dev/null
+++ b/include/neu_license.h
@@ -0,0 +1,62 @@
+/**
+ * NEURON IIoT System for Industry 4.0
+ * Copyright (C) 2020-2022 EMQ Technologies Co., Ltd All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ **/
+
+#ifndef __NEU_LICENSE_H__
+#define __NEU_LICENSE_H__
+
+#define NEURON_LIC_DIR "cert"
+#define NEURON_LIC_FNAME "neuron.lic"
+
+// License type
+// Type: string
+#define NEURON_LIC_KEY_LICENSE_TYPE "1.3.6.1.4.1.52509.10"
+
+// Max number of plugins.
+// Type: integer, non-negative
+#define NEURON_LIC_KEY_PLUGINS_NUM_MAX "1.3.6.1.4.1.52509.11"
+
+// Max number of nodes.
+// Type: integer, non-negative
+#define NEURON_LIC_KEY_NODES_NUM_MAX "1.3.6.1.4.1.52509.12"
+
+// Max number of tags globally.
+// Type: integer, non-negative
+#define NEURON_LIC_KEY_TAGS_NUM_MAX "1.3.6.1.4.1.52509.13"
+
+// If modbus_plus_tcp plugin enabled.
+// Type: integer, 0 | 1
+#define NEURON_LIC_KEY_MODBUS_PLUS_TCP_ENABLED "1.3.6.1.4.1.52509.14"
+
+// If modbus_rtu plugin enabled
+// Type: integer, 0 | 1
+#define NEURON_LIC_KEY_MODBUS_RTU_ENABLED "1.3.6.1.4.1.52509.15"
+
+// If opcua plugin enabled
+// Type: integer, 0 | 1
+#define NEURON_LIC_KEY_OPCUA_ENABLED "1.3.6.1.4.1.52509.16"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __NEU_LICENSE_H__