Hair loss grade refers to the severity and manifestation of hair loss in accordance with certain rules into a ladder grade, the medical profession generally divided into seven levels of hair loss grade, level 1 and 2 belong to mild hair loss, level 3 and 4 belong to severe hair loss, after level 4 will belong to baldness. Now the trend of hair loss has become more and more obvious, 20-40 years old men become the main force of hair loss, which male pattern baldness is the most common type of hair loss, accounting for more than 95% of all male hair loss patients, the treatment of hair loss situation has become urgent. The first task is to understand where the “disease” lies. The cause of male pattern baldness is mainly related to two factors: hair follicles and dihydrotestosterone. Dihydrotestosterone is a product of androgen metabolism referred to as DHT, which is distributed throughout the body through blood circulation, and some people’s scalp hair follicles are very sensitive to dihydrotestosterone, so that dihydrotestosterone will make the hair follicles enter the regressive phase from the anagen phase and eventually make the hair follicles completely apoptotic necrosis, resulting in hair loss. When we know the principle and then choose the treatment method becomes evidence-based, now look at some folk widely circulated treatment for hair loss can know whether it has a scientific reason, such as ginger for hair loss this prescription says: “ginger contains ginger spice, ginger oil and other ingredients to normalize blood circulation in the head, promote metabolism to treat hair loss “, but the patient itself head blood circulation and metabolism itself is no problem, ginger for the fundamental factors in the dihydrotestosterone does not affect, so similar to ginger for hair loss folk remedy hair growth method we should not be gullible, must adhere to the scientific treatment method.