[en] The paper summarizes the recent developments of the pulsed power switch (PPS), and the status of the pulsed power thyristors around the globe, and presents the products and their characteristics for the PPS in China. The design and application of the pulse power thyristor module, and the test platform of the semiconductor PPS are elaborated. The key technologies used in the engineering applications of the pulse power thyristor and its modules, such as synchronized drive, power-obtaining based on induction, and voltage-sharing in series, are presented, along with the results of the engineering applications of pulse power thyristor modules. Moreover, the development direction of the semiconductor PPS and its test platform are elaborated. (authors)