Hair loss is clinically known as alopecia, and there are many causes of hair loss, mainly including genetic factors, endocrine disorders, various diseases, mental stimulation, use of certain drugs, poor nutrition, smoking and alcohol consumption. The common methods to inhibit hair loss mainly include avoiding long-term mental depression, controlling the frequency of shampooing, choosing the right shampoo, dietary regimen, etc. In addition, treatment can also be carried out through medication or surgery, etc. 1, avoid long-term mental depression: long-term mental depression is prone to anxiety, irritability and other emotions, which can lead to hair loss. Adequate rest or proper exercise can help eliminate accumulated mental fatigue, improve the condition of mental depression and alleviate the phenomenon of hair loss; 2, control the frequency of shampooing: if the frequency of shampooing is too high, it can lead to hair damage, if the frequency of shampooing is low, it can lead to the accumulation of grease, dirt and so on in the scalp, which can lead to the phenomenon of hair loss. Usually, patients are advised to control the frequency of shampooing to 2-5 days once, and should pay attention to avoid scratching the scalp when shampooing, and can be properly massaged to help promote blood circulation, so as to play a role in cleaning the scalp and stop hair loss; 3, the use of appropriate shampoo: should avoid the use of strong degreasing or alkaline shampoo, so as not to lead to dry, frizzy hair, and in serious cases, even the symptoms of scalp necrosis The hair can become dry and frizzy, and in severe cases, scalp necrosis can occur. It is recommended that patients choose milder shampoos according to their own hair quality to reduce the stimulation of hair and scalp, and should also regularly change the type of shampoo to avoid long-term use of the same shampoo, which can help stop hair loss; 4, dietary conditioning: patients should quit smoking and limit alcohol, avoid eating spicy, greasy, irritating food, such as fried things, hot pot, chili, etc., so as not to stimulate the hair follicles to secrete too much oil, causing The patient should stop smoking and limit alcohol. You can eat liver, meat and other foods to help prevent hair loss; 5, medication: patients can also be treated according to the specific circumstances of medication, such as seborrheic alopecia, the choice of minoxidil, finasteride, estrogen and other drugs for treatment. For androgenetic alopecia, male patients can use drugs such as finasteride and female patients can use spironolactone and other drugs to help relieve symptoms; 6, surgical treatment: mainly including hair transplantation, scalp reduction, tissue expansion, etc., but not for patients with congenital alopecia, permanent alopecia and other patients who do not have hair follicle donors, or hair follicles no longer have the function of hair growth.