The mechanism of seborrheic alopecia formation generally includes two aspects: 1, genetic factors: that is, if one of the parents has a genetic factor for seborrheic alopecia, the probability of the child suffering from seborrheic alopecia will be greatly increased, and there may also be the phenomenon of intergenerational inheritance. It is very difficult to treat hair loss caused by this cause, and can usually be accomplished by surgical implants. 2, non-genetic factors, this factor includes the following reasons, such as poor lifestyle habits, unreasonable diet structure. The androgen secretion in male hair is more vigorous, resulting in increased oil secretion, itchy scalp, patients will often increase the frequency of hair washing, often wash hair will lead to oil secretion, which will form a vicious circle, the scalp is eventually wrapped in oil and do not get nutrition, resulting in hair loss. The causes of hair loss and its treatment are relative, so it is important to find the real cause of hair loss patients, only then can you effectively treat hair loss.