Legal basis: Article 3 of the Lawyers Law of People's Republic of China (PRC), lawyers must abide by the Constitution and laws, and strictly abide by lawyers' professional ethics and practice discipline. Lawyers' practice must be based on facts and take the law as the criterion. Lawyers' practice should be supervised by the state, society and the parties concerned. Lawyers' legal practice is protected by law, and no organization or individual may infringe upon the legitimate rights and interests of lawyers.