Article 28 of the "Lawyers Law of the People's Republic of China" may engage in the following businesses: (1) Accept entrustment by natural persons, legal persons or other organizations to serve as legal advisors; (2) Accept civil cases and administrative cases Act as an agent and participate in litigation as entrusted by the parties concerned; (3) Accept the entrustment of criminal suspects in criminal cases, provide them with legal advice, represent them in appeals and accusations, apply for bail pending trial for arrested criminal suspects, accept criminal suspects, Act as a defender upon the entrustment of the defendant or the designation of the people's court, accept the entrustment of private prosecutors in private prosecution cases, victims of public prosecution cases or their close relatives, and participate in litigation as an agent; (4) Accept entrustments and represent appeals in various litigation cases; (5) Accept entrustment and participate in mediation and arbitration activities; (6) Accept entrustment and provide non-litigation legal services; (7) Answer legal questions and write litigation documents and other documents related to legal affairs.