The invention relates to a free end revolving cup spinning machine provided with a plurality of working positions, wherein each working position is provided with a control unit, is connected with a central control unit of the spinning machine, and has function elements, such as a free end spinning device and a yarn taking out unit. The function elements are structured and are actuated in the following manner: the function elements of the working station can automatically execute necessary splicing process after spinning is interrupted, or the function elements of the working station can automatically execute at least the operation procedures related to time during the splicing process. The central control unit in the free end revolving cup spinning machine is provided with a unit for inputting data and a computer unit. According to the invention, the computer unit (12) is arranged to use mathematical computing methods to compute the corresponding optimized basic regulation according to norms, which are related to splicing pieces and are easy to comprehend, and known spinning parameters, and conveys regulation to the work station (4) to complete the splicing process.