The present article introduces the structural features of a new-type occlusion pressure measurement transducer and analyzes, theoretically, its mechanical properties, quantity and distribution of stress, and the output of the resistance-strain gauge etc. The result of the theoretical analysis and practical measurement on the occlusion pressure measurement transducer confirms that the precision of measurement (linearity and repeatability), stability and working life of the new-type transducer is improved to a great extent. Furthermore, the problem of water seal when it is disinfected is solved. As a result,it can now meet the requirements of teaching experiment, scientific research and clinical practice.