The invention relates to a method for automatically compiling marketing client addresses on the basis of an address bank. The method comprises the following steps that S1, the address bank is compiled; S2, the address clearing rule is made, and according to the management attribute of clients of the whole province, user address decomposition information is perfected; S3, the condition that address clearing is carried out automatically is deployed; S4, the client addresses are automatically cleared, and the specific time period of each day is set to be working time for background address clearing service; the number of cleared data of the addresses of each day is 500000; S5, a client address decomposition information table is updated. According to the method, the power utilization addresses of the clients can be automatically disassembled into specific formats, the Chinese addresses of the clients can be automatically disassembled and stored into the power utilization address decomposition table, and therefore the purpose of reducing labor force greatly is achieved.