legal basis: People's Republic of China (PRC) lawyers law.
article 32 a client may refuse his lawyer to continue to defend or represent him, and at the same time, he may entrust another lawyer to act as a defender or agent. After accepting the entrustment, a lawyer shall not refuse to defend or represent without justifiable reasons. However, if the entrusted matter is illegal, the client uses the services provided by the lawyer to engage in illegal activities, or the client deliberately conceals important facts related to the case, the lawyer has the right to refuse to defend or represent him.
article 49 if a lawyer commits any of the following acts, the judicial administrative department of the people's government of a city divided into districts or a municipality directly under the central government shall impose a penalty of not less than six months but not more than one year, and may also impose a fine of not more than 5, yuan. If the illegal income is serious, the judicial administrative department of the people's government of a province, autonomous region or municipality directly under the Central Government shall revoke his lawyer's practice certificate, and if the case constitutes a crime, he shall be investigated for criminal responsibility according to law:
(1) meeting with judges, prosecutors, arbitrators and other relevant staff in violation of regulations, or otherwise affecting the handling of cases according to law; (2) Offering bribes to judges, prosecutors, arbitrators and other relevant staff members, introducing bribes or instigating or inducing parties to pay bribes; (3) Providing false materials to the judicial administrative department or committing other fraudulent acts; (4) intentionally providing false evidence or threatening or inducing others to provide false evidence; (5) accepting property or other benefits from the other party and maliciously colluding with the other party or a third party to infringe upon the rights and interests of the client; (6) Disrupting the order of courts and arbitration tribunals and interfering with the normal conduct of litigation and arbitration activities; (seven) abetting the parties to take illegal means such as disturbing public order and endangering public safety; (8) publishing malicious libel statements that endanger national security. If a lawyer is subject to criminal punishment for intentional crime, the judicial administrative department of the people's government of a province, autonomous region or municipality directly under the Central Government shall revoke his lawyer's practice certificate.