To treat alopecia, you can go to a hospital specializing in the treatment of alopecia;

Because the root cause of hair loss is the problem of subcutaneous hair follicles;

Dermatology generally does not have a professional instrument for screening subcutaneous hair follicles. Only the temporary androgen content in blood can be used to judge whether it is male alopecia, and it is impossible to conduct a comprehensive examination and analysis of hair quality health, scalp environment and subcutaneous hair follicles.