Goldenseal belongs to the Chinese herbal medicine, after all, it is a drug, it is not recommended to drink water every day. Goldenrod can relieve cough and asthma (stop coughing and calm wheezing), lower blood pressure, and also has the effect of clearing heat and cooling blood (relieve blood heat by clearing heat), removing dampness and detoxifying. Clinically, it can be used in the treatment of many diseases, such as tuberculosis, hypertension, nephritis, rheumatoid arthritis and so on. Using the right amount of goldenseal brewed directly in boiling water as a tea can help lower liver fire and remove fire. Goldenseal is a Chinese herb after all, it needs to be banned for people with cold spleen and stomach (weak and cold spleen and stomach) and loose stools, it is recommended to consult a doctor before using this medicine.