According to the characteristics of Micro Heat Pipe(MHP) in an integrated Light Emitting Diode (LED) on small sizes, fast temperature rising and temperature change,as well temperature gradient, a non-contact infrared temperature measurement system was conducted to measure the temperature of different feature regions of th MHP integrated with LED chips. The signal acquisition and conversion, error analysis and compensation, characteristic indexes of temperature measuring and heat performance experiments of the MHP were investigated. Electrical signal acquisition and temperature conversion were implemented through LabVIEW programming. Then, the heating blocks with different temperatures were considered as isothermal reference bodies, and the measuring results of the infrared sensors and the thermocouples were compared and analyzed for static and dynamic temperature measurement characteristics. The drift error resulting from LED radiant heat was corrected by environment temperature compensation, and infrared sensors were calibrated by linear fitting. Finally, the heat performance of MHP under different heat loads were measured by proposed measuring system. Experimental results indicate that the accuracy, repeatability and the linearity of the system are 1.2-1.5 ℃, 1% and 0.2%, respectively, while the time constant and the response time are 15 ms and 30 ms, respectively. The Infrared measuring reduces the effects of sensor elements on temperature distribution of feature areas, and is characterized by high temperature measurement precision and small thermal inertia. It provides a new measuring method for the evaluation of heat performance of MHPs.