Nourishing blood and hair capsule can not be taken to make a clear judgment, and the patient’s condition, follow the doctor’s instructions can be. It has the effect of nourishing blood, dispelling wind, benefiting kidney and filling essence. It can be used for hair loss caused by blood deficiency, wind and kidney essence insufficiency, loose or sparse hair loss, dry or greasy hair, itchy scalp, etc. Clinically, it is mostly used for spot baldness, total baldness, seborrheic alopecia with post-disease and post-partum alopecia, and other conditions. It is forbidden for pregnant women and people with incomplete liver function. Elderly people and people with abnormal liver biochemical indicators and history of liver disease should be cautious. Nausea and vomiting, loss of appetite, stomach pain, stomach distension, acid reflux, heartburn, constipation, yellow urine, yellow eyes, yellow skin, itchy rash, fatigue and fever, palpitations (rapid heartbeat, often accompanied by panic), chest tightness, increased blood pressure, dizziness, headache, insomnia and other manifestations may occur after taking the drug. Liver biochemical indexes should be monitored during drug administration. If abnormal liver biochemical indexes are found, or clinical manifestations that may be related to liver injury such as generalized fatigue, loss of appetite, anorexia, nausea, yellowing of urine, yellowing of eyes, yellowing of skin, etc. are observed, or if the original liver biochemical test is abnormal and the clinical symptoms of liver injury are aggravated, the drug should be discontinued and medical attention should be sought immediately. If the drug is to be taken, it is recommended to take it under the guidance of a professional doctor and in accordance with medical advice. If any adverse reaction occurs, it is necessary to go to the hospital for diagnosis and treatment in time.