The generic name of Niu Gan Zi should be Yu Gan Zi, which is a kind of traditional Chinese medicine with the effects of clearing heat and relieving throat, moistening the lungs and resolving phlegm, generating fluids and quenching thirst (promoting the production of fluids to quench thirst), etc. It can be used for treating colds and coughs, fever, diphtheria, high blood pressure, and vexation (irritability and sultriness) and thirst. Yu Gan Zi belongs to the fruit of Euphorbiaceae, family Euphorbiaceae, which is cool, bitter, sweet and sour in nature, and is usually used in combination with olive, Xuan Shen and Licorice. The adverse reactions and contraindications of Yu Gan Zi are not clear. When using this herb, it is necessary to pay attention to the presence of spleen and stomach deficiency cold (spleen and stomach weakness and cold) people should take this medicine with caution to avoid discomfort. If you need to use this herb, it is recommended to take it under the guidance of a doctor, and remember not to use it blindly on your own to avoid aggravating your condition.