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diff --git a/Include/bitsPack.h b/Include/bitsPack.h
new file mode 100644
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--- /dev/null
+++ b/Include/bitsPack.h
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+/******************************************************************************
+###############################################################################
+#   Copyright (c) [2017-2020] [ICT/CAS]                                        #
+#   Licensed under the ORAN Software License v1.0 (License)             #
+###############################################################################
+******************************************************************************/
+
+
+#ifndef __BITS_PACK_H__
+#define __BITS_PACK_H__
+
+#include "vos_types.h"
+
+/* Dependencies ------------------------------------------------------------- */
+
+/* Constants ---------------------------------------------------------------- */
+
+/*
+ * The Bits operation type.
+ */
+typedef enum bitOptType
+{
+    BIT_PACKED,     /* Packed bits. */
+    BIT_UNPACKED    /* Unpacked bits. */
+} BitOptType_t;
+
+/* Types -------------------------------------------------------------------- */
+
+/*
+ * Type of Bits for pack message operation.
+ */
+typedef struct bitOpt
+{
+    UINT8 *pMsg;       /* Point to the message whitch packed or unpacked */
+    UINT32 bitOffset;      /* The bit offset from the start of msg_p. */
+    UINT32 msgLen;         /* The total length of the message. */
+} BitOpt_t;
+
+
+/* Globals ------------------------------------------------------------------ */
+
+extern INT32 unpackBitsWithdebug(BitOpt_t *pBit, UINT32 n,unsigned char *fun, unsigned long line);
+extern INT32 packBitsWithdebug(BitOpt_t *pBit, UINT32 n, UINT32 value,unsigned char *fun, unsigned long line);
+/* Functions ---------------------------------------------------------------- */
+/*******************************************************************************
+ * Convert length of bits to length of bytes.
+ *
+ * Input: bitLen : The lenght of bits.
+ *
+ * Output: return the length of bytes.
+ ******************************************************************************/
+extern UINT32 convertBitlen2Bytelen(UINT32 bitLen);
+
+/*******************************************************************************
+ * Get the length of message.
+ *
+ * Input: pBit : The pointer to struct bit operation.
+ *
+ * Output: return the length of message, or -1 when filed.
+ ******************************************************************************/
+extern INT32 getBitsMsgLen(BitOpt_t *pBit, UINT32 optType);
+
+
+/*******************************************************************************
+ * Show every bits of memory.
+ *
+ * Input: pMsg: The start pointer of memory.
+ *        msgLen: The length of memory.
+ *        lable: The lable of the memory.
+ *
+ * Output: None.
+ ******************************************************************************/
+extern void showBits(UINT8 *pMsg, UINT32 msgLen, INT8 *name);
+
+/*******************************************************************************
+ * Initial the struct of BitOpt.
+ *
+ * Input: pBit : The pointer to struct bit operation.
+ *        pMsg : Point to the message, that will be packed or unpacked.
+ *        msgLen : The length of message.
+ *        bitOffset : The bit offset from the start of msg_p;
+ *
+ * Output: return 0, or -1 when filed.
+ ******************************************************************************/
+extern INT32 initBits(BitOpt_t *pBit, UINT8 *pMsg, UINT32 msgLen, UINT8 bitOffset);
+
+/*******************************************************************************
+ * Skip n bits in packed or unpacked operation. Pack operation, not insure the
+ * validity of the bits that ware sikped.
+ *
+ * Input: pBit : The pointer to struct bit operation.
+ *        n : The number of bits will be skiped.
+ *
+ * Output: return 0, or -1 when filed.
+ ******************************************************************************/
+extern INT32 skipBits(BitOpt_t *pBit, UINT32 n, UINT8 optType);
+
+/*******************************************************************************
+ * Unpack n bits from message, not support 32 bits or more.
+ *
+ * Input: pBit : The pointer to struct bit operation.
+ *        n : The number of bits will be unpacked.
+ *        msgLen : The length of message.
+ *
+ * Output: return the unpacked value, or -1 when error occur.
+ ******************************************************************************/
+#define unpackBits(pBit,n)  unpackBitsWithdebug(pBit,  n,(UCHAR *)__func__,__LINE__)
+
+/*******************************************************************************
+ * Pack the value into message with n bits, not support more than 32 bits.
+ *
+ * Input: pBit : The pointer to struct bit operation.
+ *        n : The number of bits will be packed.
+ *        value : The value need pacded into message.
+ *
+ * Output: return the length of message after packed, or -1 when filed.
+ ******************************************************************************/
+#define packBits(pBit,n,value) packBitsWithdebug(pBit,  n,  value,(UCHAR *)__func__,__LINE__)
+
+#endif
+
+
+
+