TDI/CCD has an extensive application in the aerospace industry. In the field of aerospace remote sensing, CCD driving signal influents the quality of CCD output directly, and the CCD timing pulse generation circuit plays an important role in the CCD driving circuit. Therefore, research on simulation and validation of CCD driving timing is meaningful. In this paper, the simulation for CCD driving timing program is studied, and a normative and efficient simulation procedure is proposed, which can effectively eliminate unqualified CCD signals. As long as all the timing requirements described are satisfied, demands for CCD driving signal can be met. The simulation method proposed in this paper is applied in several satellites.