Bittering tea is cold in nature, drinking too much of it will affect the function of the spleen and stomach, and may affect women’s menstruation. Bittering tea has the efficacy of dispersing wind and clearing heat, brightening the eyes and promoting the production of fluids, and can be used to treat wind-heat headache, toothache, eye redness, mouth sores, fever and thirst, thank you, dysentery and other diseases. Bittering tea is cold in nature, long-term use may damage the body’s yang qi, and also aggravate the symptoms of coldness of the spleen and stomach (spleen and stomach weak and cold), such as loose stools (thin and unshaped feces), which also affects gastrointestinal function, and for women, may lead to menstrual cramps, blood clots and other discomforts. Patients are advised to use the medication under the guidance of a doctor, and should not use the medication on their own for a long period of time to avoid delaying or aggravating the condition. If discomfort occurs during the use of the drug, the drug can be stopped immediately and prompt medical treatment can be sought.