A medical far infrared thermal imaging camera is an instrument for generating and processing thermal images II. Clinical Thermal Imaging Methods and Their Characteristics Inspection Methods: It is a series of imaging diagnostic procedures that records and produces an image of the surface temperature of the skin through the detection of infrared waves emitted by the patient’s body surface with wavelengths ranging from 0.8 micrometers to 1.0 millimeters. Characteristics: It is a non-contact, non-radiation, painless examination method. Third, the physical principle of medical far-infrared thermography temperature at absolute zero (-273 degrees Celsius) above the object will radiate energy to the outside. As the human skin infrared emissivity is very high, through the measurement of infrared radiation energy can get an accurate temperature data. The surface temperature of the human body is regulated by autonomic control. Stimulation of the parasympathetic or sympathetic nerves of the spine; sympathetic vasoconstriction and sympathetic vasoconstriction caused by reflexes of the sympathetic nerves can cause changes in thermal energy. Medical far-infrared thermal imaging probe absorbs infrared waves radiated by the human body after computer processing to produce an image of the skin surface temperature. Fourth, the skin’s normal thermal pattern 1, contralateral symmetry thermal pattern. 2, the back of the midline thermal pattern 3, the body temperature is too high: 1) muscle (obliques, radial arm, anterior tibia) 2) overlap the skin area (buttocks, cleavage, under the armpits, groin, etc.) 4, the body temperature is too low: 1) bone protruding part (elbow, knee, tip of the nose, etc.) 2) distal parts (the tip of the hand, the tip of the foot, foot, heel, etc.) 3) fat thick area (breast, arm, buttocks, etc.) 5, the skin abnormal thermal area: in addition to the skin The appearance of high or low temperatures in areas other than normal heat pattern areas are abnormal, according to the patient’s clinical manifestations and other relevant examinations to help in the diagnosis. Application: 1) differential diagnosis of migraine and cervicogenic headache 2) accurate localization of the pain site 3) determination of whether the pain is objectively present 4) detection of the etiology of some diseases 5) confirmation of therapeutic effect 6) decision on whether to make further tests 7) decision on the mode of treatment 8) identification of the coexisting factors 9) to determine the degree of injury to provide information 10) to provide information for the determination of special conditions.