The main function of electronic Trouble Access System (eTAS) is to provide control and administration of operation flows like complain operation, test operation and repair operation when customer's telecommunication services arise troubles. The operation flows of trouble complaining start with accepting customer's trouble complain, then the maintenance staffs execute the operation of test and repair sequentially, and end up with the trouble eliminating by confirming with customer. eTAS handles all the control and administration of operation flows automatically and immediately, and it will benefit to hasten the operation flows, decrease the loss of customers and CHT, increase the efficiency of trouble repairing and improve the quality of customer service. This article focuses on the database design of electronic Trouble Access System. It will be divided into 5 sections to make a detail description: (1) complain operation and flow control of trouble repairing; (2) management of customer and device; (3) statistic reporting sheet; (4) unit, staff and authority setting; (5) bulletin board and discussion area.