The invention relates to an automatic processing technology for nonstandard marketing client basic information. The automatic processing technology for the nonstandard marketing client basic information comprises the following steps: the first step: making an extraction rule base in allusion to the nonstandard data; the second step: according to the rule base, extracting the nonstandard data; the third step: automatically generating the nonstandard data to a to-be-processed list, and marking the corresponding error type to each error information; the fourth step: reading the processing rule of the nonstandard data; the fifth step: processing the nonstandard data in batches; and the sixth step: updating the client basis information base. The automatic processing technology for the nonstandard marketing client basic information is capable of, through the internal management requirement, arranging the features of the nonstandard username, address and contact information and the processing mode in allusion to each nonstandard feature, performing the automatic processing to the automatically scanned deviation by using the periodic training automatic processing function of the abnormal information discovery deployed on the background, achieving the nonstandard client name, address and contact information, and providing the support for the customer service work of the power enterprises.