It is mainly used in candy, beverage, toothpaste and medicine with spices as wind repellent and aromatic stimulant. Leaves, twigs or whole grass can be used as medicine to treat cold, fever, cough, gastrointestinal flatulence, bruise and blood stasis pain, red and hot eye pain, black fever, chicken nest cold, general numbness and children's sores and boils. Pharmacological studies show that spearmint has anti-inflammatory and anti-inflammatory activities against human pathogenic fungi. It is also reported that it has antiviral activity in the treatment of osteodegeneration, arthritis, mucinous bursitis, sinusitis and other inflammation. The chemical constituents and pharmacological studies of Mentha plants at home and abroad are relatively in-depth. Among them, there are more reports on Mentha Mentha, less on spearmint, and there have been reports on the volatile oil components of non domestic spearmint abroad. There are more studies on Mentha Mentha in China.