A legal adviser refers to a specialized person who answers legal advice and provides legal help. If engaged by the parties, handle relevant legal affairs for the parties, or provide legal assistance entrusted by the parties in non-litigation events, or appear in court as the litigation agent of the parties in civil litigation, or as the defendant's defender in criminal litigation.

Its duties are to provide advice to the employer on legal issues in business, draft and review legal documents, participate in litigation, mediation or arbitration activities as an agent, and safeguard the legitimate rights and interests of the employer. Being a legal adviser is one of the main businesses of lawyers in China. With the development of China's economic construction and opening to the outside world, the role of legal advisers will become more and more important.