The invention discloses a graphene far-infrared electric heating diaphragm detection method. The method includes the following steps that: a graphene far-infrared electric heating diaphragm is arranged in an automatic resistance measuring machine, so that resistance detection can be carried out; a 12000-ohm resistance measuring instrument is adopted to measure the resistance of the graphene far-infrared electric heating diaphragm and can perform automatic comparison; the graphene far-infrared electric heating diaphragm of which the resistance has been detected is arranged in an automatic withstand voltage testing machine, so that the graphene far-infrared electric heating diaphragm can undergo a withstand voltage testing procedure; the graphene far-infrared electric heating diaphragm is quickly arranged in an automatic temperature measuring machine; a thermal imager is adopted to detect the surface temperature uniformity of the graphene far-infrared electric heating diaphragm; and whether the graphene far-infrared electric heating diaphragm is qualified is determined through the automatic identification of thermal imager software and visual inspection. With the graphene far-infrared electric heating diaphragm detection method of the invention adopted, the resistance value, the voltage withstand capability and the uniformity of the surface temperature of the graphene far-infrared electric heating diaphragm can be detected, the automation of detection is realized, and the accuracy of the detection is effectively improved.