The utility model discloses a transformer transient overvoltage and sleeve pipe dielectric loss signal synchronization collection system for the voltage signal that crosses who solves based on transformer bushing end screen characteristic obtains the method and is difficult to in precision measurement transformer bushing dielectric loss the technical problem with the accurate reduction transient overvoltage characteristic of measuring frequency band of broad. The embodiment of the utility model provides an include: voltage signal collector, dielectric loss sensor and dielectric loss signal collector are crossed to resistance, transient state, the one end of resistance and transformer bushing end screen are connected, the other end ground connection of resistance, and the dielectric loss sensor is installed on the earth connection of resistance, transient state is crossed the voltage signal collector and is connected in the both ends of resistance for gather the transformer transient overvoltage, dielectric loss signal collector is connected with the dielectric loss sensor for gather transformer bushing's dielectric loss.