The effect of onion seeds is to brighten the eyes and detoxify the body, tonify the kidneys and strengthen the yang. Clinically, it can be used to adjust the body with related drugs, especially for symptoms caused by yang deficiency, such as loss of vision, patients with dim vision, difficulty seeing, dizziness of the head, impotence in men, and seminal emission, as well as skin sores and other diseases, are suitable for symptomatic treatment with onion seeds. Onion seeds have a very good therapeutic effect on the loss of vision and dimming of the eyes that occur in old age, and can also be used in conjunction with related ingredients for the treatment of sexual dysfunction in men, especially erectile dysfunction and short erection time in men.