The effect of mint water is mainly sweating and relieving fever, draining the liver, relieving pain and itching, mainly for the treatment of colds, upper respiratory tract infections, often used to treat sore throat, headache, red eyes, sore eyes and muscle pain, as well as skin rash, itching, measles without a rash and related symptoms. Peppermint is very good at relieving the surface effects, but it can also relieve the internal evidence, such as abdominal pain, cholecystitis, spasms caused by the gallbladder, and is also effective for antiseptic and diuretic. By taking peppermint water orally, it can also treat insomnia.