The invention provides a method and system for generating a statement. The method comprises the steps that a user name and a password are input through a browser, and a statement system is logged in to; in the statement system, material information is input according to the category and number of materials; the category and number of the material information are extracted, corresponding attribute information and statement forms in a database in a server are called according to the category and number of the material information, the corresponding attribute information and statement forms are filled with the material information to form the statement, the attribute information comprises statement serial numbers, statement names, formulas set in the statements and statement types, and the statement forms comprise fonts, lines and cell widths; the generated statements are guided into a server storage matrix to be stored, and meanwhile the statements are converted into the statement with different file forms according to setting of a user side. The compatibility of the statements generated by the statement system is improved, and the problem that the statement system is not suitable for being maintained and complex in statistics is solved.