Inquiry letter generation method, system and device

The embodiment of the invention discloses an inquiry letter generation method, system and device. The method is used for generating an inquiry letter for an abnormal auditing point in an issuer stock inviting book, assisting manual writing, and saving manpower and time. The method comprises the steps: acquiring a target generation model, wherein the target generation model is obtained by conducting machine learning training on an initial generation model through a historical inquiry letter and a historical stock inviting book, and a rule dictionary used for generating a target inquiry letter is stored in the target generation model, the historical inquiry letter and the historical stock inviting book have a corresponding relation, the historical inquiry letter is generated according to the historical stock inviting book, and the rule dictionary is obtained by performing machine learning on the historical inquiry letter and the historical stock inviting book and combining with artificial experience; acquiring