The invention discloses an electronic scanning valve pressure measuring system fault automatic diagnosis detection method. By adopting the above mentioned method, the fast and intelligent diagnosis detection of the electronic scanning valve pressure measuring system can be realized, and the device faults of the pressure measuring system can be found out and located timely. By adopting the method, the automatic identification and the intelligent diagnosis of the electronic scanning valve pressure measuring system can be realized, especially the fast locating and the fault diagnosis of the totally-enclosed pressure measuring module can be realized, and therefore the quality and the efficiency of the pressure measuring test can be improved.