Abstract: In order to perform systematic research on online auditing and its key technologies,configurative solution of online auditing is first presented using the theory and method of information system development.Network technology of auditing operation network,data acquisition technology are used in the organization audited,and data processing technology are used in auditing organization,and data security technology of online auditing are analyzed in detail.In addition,the approach of programming-in-Chinese for reusing and sharing the auditing experience,being a combination of programming approach and audit modeling.