You can stimulate the hair follicles to grow hair again by adjusting your diet, regular work and rest, as well as using topical medications. 1. Adjust the diet structure: It is recommended to maintain a balanced and comprehensive diet, and consume foods rich in vitamins and proteins, such as green vegetables, spinach, beef, eggs and milk, etc., to balance the nutrition. 2. Regular work and rest: daily need to develop good habits, regular work and rest, avoid staying up late, irregular life, help speed up the metabolism, promote hair growth. 3. Topical medication: If you seek medical attention and find that the cause is pathological, such as androgenetic alopecia, baldness, etc., minoxidil can promote hair growth, it is recommended that men use 5% concentration of minoxidil, women use 2% concentration of minoxidil, which helps to stimulate hair follicles to grow hair again. There are many ways to stimulate hair follicle re-growth hair, patients are advised to go to the hospital for consultation and choose the appropriate treatment under the guidance of the doctor.