Materia Medica records that mint is the main thief of typhoid fever, sweating and treating abdominal distension and pain caused by pathogenic factors. 」; Chinese medicine also believes that mint is "cool and pungent, and has the functions of dispelling wind and clearing heat, beating head and penetrating rash", and it is known that mint has the functions of exciting brain, promoting blood circulation and sweating, diminishing inflammation and relieving pain, relieving itching and detoxifying, and dispersing wind and heat. Mentha haplocalyx has the effects of invigorating stomach, expelling pathogenic wind, resolving phlegm, promoting gallbladder function, resisting spasm, improving fever and sore throat, eliminating symptoms such as headache, toothache, nausea, itchy skin, flatulence in abdomen, diarrhea, dyspepsia and constipation, relieving headache, promoting metabolism and treating respiratory inflammation. It can also lower blood pressure and nourish the heart. It can cool and fragrant, calm the tense and angry mood, boost the spirit, make the body and mind happy and help sleep.