(a) to accept the entrustment of natural persons, legal persons or other organizations as legal advisers; (two) to accept the entrustment of the parties in civil cases and administrative cases, to act as agents and to participate in litigation; (3) accepting the entrustment of criminal suspects in criminal cases, providing them with accusation and accusation materials, applying for bail pending trial for arrested criminal suspects, accepting the entrustment of criminal suspects and defendants or the designation of people's courts, acting as defenders, accepting the entrustment of private prosecutors in private prosecution cases, victims in public prosecution cases or their close relatives, and participating in litigation as agents; (five) to accept the entrustment and participate in mediation and arbitration activities; (6) Accepting entrustment to provide non-litigation legal services; (seven) to answer questions about the law and write litigation documents and other documents related to legal affairs. Finance and taxation audit, finance and insurance, securities and futures, land and real estate construction, labor and personnel, customs affairs, foreign trade products, food and drug quality, transportation, agricultural and rural lawyers, planned prices and business services, environmental protection, industrial and commercial administration resources, state-owned assets, information industry, intellectual property rights, judicial administration, education, culture and sports, public security, national civil affairs, foreign affairs, Hong Kong, Macao and Taiwan mediation and arbitration, civil litigation. Defending major criminal cases and death penalty cases; 3. Appeal and retrial agency for major civil and commercial cases; 4, perennial legal adviser and invited legal adviser work; 5. Legal affairs related to intellectual property cases; 6. Company merger, bankruptcy and liquidation; 7. Securities legal service business; 8. Immigration, investment and other foreign-related legal affairs.