He is one of the representatives of National People's Congress of the People's Republic of China in the Hong Kong SAR region. He is supportive to the current totalitarian Chinese regime and was hostile to freedom fighters and political activists in Hong Kong.

He had provided public support to the Chinese government in forcibly setting up the national security law in Hong Kong, suggested that the law should be retrospective, proposed an increase of the penalties for violating the law, and voted to pass the law.

As of September 2021, he was sanctioned by the United States Department of Treasury.

他是中華人民共和國全國人民代表大會香港區代表，支持目的中國共產黨的獨裁政權，並敵視自由抗爭者及政治活動者。

他曾公開支持中國共產黨政府在香港強行實施國家安全法，剝奪香港市民各項自由，又建議國家安全法應該追溯過往的行為、增加刑罰，及在全國人大投票通過該項違反人權的法案。

直至2021年9月，他已被美國財政部列入制裁名單。