A contract generation method, comprising: acquiring order information, and acquiring a contract template corresponding to the order information; acquiring a filling domain identifier in the contract template, and acquiring a type identifier of service data corresponding to the filling domain identifier according to the correlation between a pre-set filling domain identifier and a type identifier of service data; extracting, from the order information, service data corresponding to the type identifier of service data; according to the number of characters comprised in the service data and the size of a filling domain corresponding to the filling domain identifier, determining a sub-filling area, in the corresponding filling domain of the service data; and filling the service data into the corresponding sub-filling area in the contract template according to a pre-set character adjustment rule so as to generate a corresponding first contract file.