Legal analysis: A lawyer's letter refers to a professional legal document produced and issued by a lawyer to reveal and evaluate relevant facts or legal issues and then make a request in order to achieve a certain effect. The purpose of legal evaluation and risk assessment of a fact with a lawyer's letter is to make the legal fact known to the recipient through the legal scale and the lawyer's judgment, so that the recipient can get his own "legal evaluation", that is, "to convey the law to express his own meaning". The essence of lawyer's letter is a legal act of entrusting an agent to express his will, which plays an important role in safeguarding the legitimate rights and interests of the parties. However, the lawyer's letter is not really effective and needs the approval of the court. If the court does not recognize it, it is invalid. The lawyer's letter must be signed and sealed by the lawyer, and the representative is legally responsible for this letter. If not, forge it. In case of threats, intimidation, losses, etc. , can report to the public security organs, shall be investigated for the responsibility of the parties and lawyers.
Legal basis: Article 29 of the Lawyers Law of People's Republic of China (PRC), when a lawyer acts as a legal adviser, he shall, in accordance with the agreement, provide advice to the client on relevant legal issues, draft and review legal documents, participate in litigation, mediation or arbitration activities as an agent, handle other entrusted legal affairs and safeguard the legitimate rights and interests of the client.