Laser heating thermal field testing device

The embodiment of the invention provides a laser heating thermal field testing device. The laser heating thermal field testing device comprises a support; the thermal density detection assembly is fixed on the bracket and is used for detecting the thermal density value at the current position; the three-axis power driving assembly is fixedly connected with the support, and the three-axis power driving assembly drives the support and the thermal density detection assembly to move; the laser emitting assembly is arranged opposite to the bracket and is used for emitting laser to one side of the thermal density detection assembly; and the control assembly is respectively connected with the thermal density detection assembly, the three-axis power driving assembly and the laser emission assembly. The three-axis power driving assembly drives the thermal density detection assembly to achieve three-way scanning, heat flow density values at different positions can be automatically and rapidly obtained, then a thermal f