Chenggong Law Firm texted me that she sent me a lawyer's letter.

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. Its essence 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. After receiving the lawyer's letter, you should actively contact the law firm that sent the lawyer's letter to find out who entrusted the firm to send the lawyer's letter and the contents of the lawyer's letter, so as to make follow-up preparations.

Legal basis: Article 119 of the Civil Procedure Law must meet the following conditions: (1) The plaintiff is a citizen, legal person and other organization that has a direct interest in the case; (2) Having a clear defendant; (3) Having specific requests, facts and reasons; (4) It falls within the scope of civil litigation accepted by the people's court and is under the jurisdiction of the sued people's court.