Take clean leek seeds, stir-fry them in a pot with slow fire until they burst, and take them out to cool when they are fragrant. Strengthen the effect of warming kidney and fixing essence after decoction. Half a catty of leek seeds is a processing method of traditional Chinese medicine. It is made by putting the cleaned Qinling leek seeds into a decocting container, processing them with yellow wine for 24 hours, heating them with slow fire or medium fire, frying until the medicine surface turns yellow or slightly deeper than its original color, or bubbles or bursts, exposing the inherent smell of the medicine, and then grinding and extracting them with alcohol, which has the effect of treating premature ejaculation.