Pu-erh tea is a kind of food, does not have the efficacy of treatment of disease. Patients need to follow the doctor’s instructions to use medication. Pu-erh tea is the young leaves of Pu-erh tea of Camellia sinensis, with bitter flavor and cold nature, it has the functions of clearing heat and generating fluids, removing filth and detoxification, eliminating food and alcohol, waking up the spirit and penetrating the rash, etc. It can improve the symptoms of headache and dizziness, dysentery, stagnation of meat and food, alcoholism and toxicity, fatigue (dysphoria), insomnia, and measles, etc. It is also useful for the treatment of the disease. Caution should be taken when the body is weak and the center of the body is cold. Pu-erh tea is not a medicine, as a tea can only relieve the symptoms of discomfort. Treatment of disease should go to a regular hospital, under the guidance of a professional doctor to identify the rational use of medication, do not blindly use their own medication, so as not to delay the condition or side effects.