Legal basis: Article 9 of the Measures for the Administration of Lawyers' Service Fees stipulates that lawyers' service fees shall be subject to market-adjusted prices, which shall be determined by law firms through consultation with clients. When a law firm negotiates the charging standard of lawyer services with its clients, it should consider the following main factors: (1) the time spent on the work; (two) the difficulty of legal affairs; (3) The client's affordability; (4) Risks and responsibilities that lawyers may bear; (five) the social reputation and work level of lawyers.