Onion seeds are known as onion solid as a medicinal herb. The effects on men are: warming the kidneys, brightening the eyes and detoxifying the toxins, and treating kidney deficiency, dizziness and dimming of vision. The Chinese Materia Medica recorded: onion solid is warm and pungent, can be decocted into soup for internal use, into the pills or decoction of water for external washing, has the effect of warming the kidneys and brightening the eyes, detoxification, male use of impotence of kidney deficiency, vertigo, spermatorrhea, dimness of vision and other diseases have curative effects. Ben Jing” said that it can be the main eyesight, make up for the deficiency; “Chinese medicine,” said it can cure kidney impotence, vertigo; “Materia Medica Jing Jiezhu” records can be detoxified quinquefolium. Although there is no obvious side effects of onion solid, but also should not be taken blindly, so as not to delay the condition, need to be used under the guidance of a professional doctor.