Aphrodisiacs are generally chosen to be taken before meals or sex. Aphrodisiacs are generally less gastrointestinal stimulation, so they are often taken before meals, and after meals will be neutralized with food in the stomach, significantly delaying the onset of time and efficacy, and can not reach the highest concentration of the drug, eaten before meals can make the drug in the intestinal tract to speed up the absorption of drugs, the onset of the effect of the faster. Aphrodisiacs can also be chosen to take 30 minutes before sex, play the role of vasodilatation, enhance the function of penile erection, play the role of delayed ejaculation. Aphrodisiacs play a role in enhancing male sexual function and prolonging the duration of sexual intercourse, and are not recommended to be taken for a long time, so as to avoid the accumulation of toxins in the body, which will have an impact on life, and the adverse reactions include dizziness, indigestion, and facial flushing. During the use of aphrodisiacs, avoid eating spicy, greasy food, avoid drinking alcohol, aphrodisiacs may cause cardiovascular disease during the taking of aphrodisiacs, if discomfort occurs, should seek medical attention in a timely manner. The use of aphrodisiacs should be carried out under the guidance of a doctor, according to their own situation, choose the dose of drugs.