The causes of hair loss, different types of hair loss are caused by different pathogenic factors, summarized in the following aspects: 1, androgen-related hypofunction of hair follicles; 2, low function of hair follicles, hair bulb department and hair physiology; 3, local blood circulation disorders caused by scalp tension, caused by; 4, hair follicles, hair papillae of the terminal capillary flow is reduced, hair papillae and hair mother cell nutrients Insufficient supply of substances, making the hair growth abnormal; 5, malnutrition, stress reaction and drug side effects; 6, genetic factors, etc. Chinese traditional herbal medicine, mainly folk medicine remedies, prescriptions, or the use of the combination of application, dressing, food multiple effects, through the stimulation of hair follicles, promote blood microcirculation, provide hair growth nutrients and other means, so as to achieve the effect of anti-hair loss and growth. The leaves of the cypress are also known as cypress leaves, cypress leaves, flat cypress, cloud cypress, etc., is the dried young leaves of the cypress plant cypress. Chinese medicine that side cypress leaf aroma, taste bitter, slightly pungent, with cool blood to stop bleeding, dispel wind and dampness, phlegm and cough, swelling and toxicity, in clinical use in the treatment of bleeding disorders, rheumatic paralysis, hypertension, coughing and scalding and other diseases. In Ming Dynasty Li Shizhen’s “Compendium of Materia Medica”, “it is a wood of longevity, so it can be used for food. Taoist to the soup often drink” record, and summarized the efficacy of the generations of medical writers on the side of the cypress leaf notes, can treat “vomiting blood epistaxis, dysentery, blood, collapse, red and white, light body benefit, people resistant to cold and summer, remove damp paralysis, muscle. Cure cold wind pain, stop urinating blood. Sizzling, a good remedy for frostbite. Burn the juice to apply to the head, black hair on the temples. Apply to scalding fire wounds to stop pain and eliminate scarring. Take it to cure dysentery. Make soup often, kill the five insects, benefit people.” For the side of the cypress leaf food therapy health value to make an authoritative overview. The main components of Phellodendron leaves are volatile oil, flavonoids and tannins, with antibacterial and anti-inflammatory, vasodilator and anti-dandruff and can produce hair and other effects. It can improve the development and growth of hair follicles, and also has an inhibitory effect on Staphylococcus aureus, Staphylococcus albus, etc. It can remove dandruff, promote hair regeneration, and enhance the metabolic function of hair follicles. Studies have shown that the total flavonoid composition of Phellodendron can activate the hair cells and promote blood circulation, so that the hair follicles with declining hair growth capacity to revive and promote blood circulation after replenishing nutrients and play a role in hair nourishment, hair growth. The fresh leaves of Phellodendron are chopped and soaked in 60%-75% alcohol for 7 days, and the filtrate is applied to the affected area for the treatment of baldness; the fresh leaves of Phellodendron, He Shou Gui, Bai Xian Pi and Boneset are soaked in 95% alcohol for 7 days, filtered and ready for use, and applied externally to the affected area for the treatment of seborrheic alopecia.