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 raised the suggestion to ban Hong Kong citizens from Internet access in order to maintain order for the government, which would be a severe restriction on Hong Kong's freedoms.

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，又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。

Reference: 葉國謙：為止亂 港府不排除網禁. (2020 October 7). RTI. https://www.rti.org.tw/news/view/id/2037064