1, the leaves of Eupatorium odoratum in bud stage contain many effective pharmacological components such as fumaric acid, succinic acid and mannitol. Therefore, Eupatorium odoratum has many pharmacological effects such as expectorant, antiviral and anticancer. Modern clinic is used to treat summer-damp cold, snake bite, nervous headache, infectious fever, abdominal pain, lumbago and kidney pain and various lithiasis.

2, hot and humid in summer, turbid gas is easy to transpiration, and the human body is vulnerable to dampness; In the hot and humid season, people like to eat raw and cold food, which is more likely to damage the spleen and stomach, resulting in the phenomenon of dampness blocking qi, such as dizziness, heavy limbs, chest tightness, sweet and greasy mouth and so on. Using the unique fragrance-dispersing function of Eupatorium odoratum can not only effectively relieve such symptoms, but also relieve summer heat and quench thirst. Generally, 6-9g decoction can be used alone or in combination with Pogostemon cablin, Radix Aucklandiae and Herba Menthae, with better effect.