Microwave therapy instrument contraindications: First, when carrying out treatment can not exceed 30 minutes, otherwise there will be excessive treatment performance. Second, the application of microwave therapy instrument temperature should be moderate, controlled at about 42.5-43.5 ℃ to avoid overheating. Third, in the microwave treatment can not be placed when the prosthesis or metal objects, such as the IUD, or metal objects placed in the body after orthopedic surgery. Fourth, in the microwave treatment, some women are not sensitive to heat, so this time can not be microwave treatment to avoid burns. Fifth, the microwave treatment must be observed when the local skin conditions, to avoid the presence of burning or painful performance.