Androgenetic alopecia occurs mainly between the ages of 20 and 50, and with the change in the pace of life and work pressure, the incidence is gradually increasing, and the trend is towards a younger age, with young people becoming the main force of the “hair loss army”. The occurrence of androgenic alopecia is related to genetics and androgens, psychological factors can trigger and aggravate the disease, and staying up late, perming, dyeing and other lifestyles can also seriously damage hair health. Hair loss patients can control and recover from hair loss with timely and scientific comprehensive treatment. In addition, attention should be paid to daily hair care. Androgenic alopecia can occur in both men and women, but the performance varies. Alopecia areata is a kind of sudden and limited hair loss, commonly known as “ghost shaving”. It can occur at any age, but is more common in young adults. The incidence is the same in both men and women, and most of the patients suddenly develop round or oval shaped hair loss areas with different diameters and clear borders on the scalp, and in severe cases, the number increases and they integrate with each other to form irregular patches, or even total baldness (total loss of hair) or general baldness (total loss of hair along with eyebrows, eyelashes and axillary hair). About 50% of the cases have recurrence, especially in children with the first recurrence.