Abstract: The automatic analysis tool for infrared photos of distribution network UAVs developed can be used for processing and analyzing infrared photos of multi system UAVs.Accurate positioning and temperature analysis and calculation of key equipment parts in infrared photos. Realize automatic identification of multiple types of temperature abnormal defects such as current heating type, voltage heating type and comprehensive heating type of substation equipment.It provides an accurate basis for operators to monitor the abnormal temperature defects of distribution network equipment.The practical benefit is remarkable.