Xiashan 220kV substation integrated automation is in the transformation of this phase, Keywords Accident Analysis and Discussion of Electrical Engineering, This article is 220kV substation Xiashan operation were introduced, for the near future with the place 220kV I I OkV substation Xiashan mother of tripping accidents on the 1012 switch and Zhanjiang 220kV grid substation Xiashan significant impact, 220kV substation Xiashan explained the accident occurs the detailed process of construction workers exposed during the transformation of integrated automation related issues, For the cause of this accident, summary and discussion, a clear responsibility and accident prevention measures.