The side effects of microwave therapy instrument are mainly burns caused by high heat, especially for the skin surface burns leading to infection, microwave therapy instrument is through the microwave heating of the skin surface and tissue, so as to expand blood vessels to improve blood circulation, and further achieve the purpose of treatment of disease. The side effects of microwave therapy instrument is more heat conduction for some tissue damage, such as eye heating will lead to eye vision loss, eye disease; irradiation of male testicles will lead to the risk of male infertility, and even seriously reduce sperm viability and sexual function problems; microwave therapy instrument irradiation of the abdomen of pregnant women, will lead to fetal unrest or even miscarriage of the fetus This is harmful to the body. Elderly patients with metal stents are also not suitable for microwave therapy devices, to prevent heart-related diseases.