The method of treating hair loss is to take it internally in a decoction or grind it into a powder and apply it. However, the effect of single medicine is not good, it is recommended that the professional physician to identify the prescription after the group of drugs, and other drugs with a reasonable combination to improve the efficacy of the treatment. Side cypress leaves are bitter, astringent, cold in nature, belonging to the lung, liver, spleen meridian, has the effect of cooling blood, stopping bleeding, resolving phlegm to stop coughing, hair growth and hair growth. This product can be used in treating blood-heat hemorrhagic diseases, such as hematemesis, epistaxis, hemoptysis, blood in stool, blood in leakage (excessive menstrual flow or dripping); lung-heat cough, lung-heat coughing and asthma, phlegm is yellow, thick and sticky, and it is not refreshing to cluck; blood-heat alopecia, early whitening of hair and other diseases. The adverse reactions and contraindications of this product are not clear. Discomfort should be promptly consulted, under the guidance of the physician’s identification and selection of medication, not self-medication, so as not to delay the condition.