Article 22(4) of the Basic Law of the HKSAR stipulates that, for entry into the HKSAR, people from other parts of China must apply for approval. The provisions of this Article, in accordance with the Interpretation by the Standing Committee of the National People’s Congress in 1999, mean that Mainland residents who wish to enter Hong Kong for whatever reason, must apply to the relevant authorities of their residential districts for approval in accordance with the relevant national laws and administrative regulations, and must hold valid documents issued by the relevant authorities.

For detailed information about Arrangement for Entry to HK from the Mainland, please refer to the following link of the Immigration Department of Hong Kong:

Arrangement for entry to Hong Kong from the Mainland