Abstract: The importance of the work to the fault diagnosis system is introduced; in this paper, through the study of analysis method of SCADA remote information; the main functions and the data types of the software are described; a series of rules were put forward which is used to automatic extraction and analysis SCADA remote information. A SCADA data analytical tools was developed, which is database separated and has the function of automatic analysis and manual modification. The function of automatic extract and analysis protection alarm information and the function of analysis break-logic are implemented. Use the SCADA data of Dingxi power network in Gansu province, the analytical tools was tested, the desired effect.