Legal basis: 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 Act as an agent and participate in litigation when entrusted by parties involved in administrative cases; (3) Accept the entrustment of criminal suspects or defendants in criminal cases or be appointed by legal aid institutions to serve as defenders in accordance with the law, accept private prosecutors in private prosecution cases, victims in public prosecution cases or their close relatives (4) Accept entrustment and act as agent for 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 relevant questions Legal issues, writing litigation documents and other documents related to legal matters.