Cool oil for premature ejaculation is not based on the claim that the drug can not be used for the treatment of premature ejaculation, please do not want to believe in biased prescriptions, so as not to cause danger. Premature ejaculation refers to uncontrolled ejaculation of the penis before insertion into the vagina, or within a short time after insertion, and can be treated by giving psychotherapy, oral medication such as dapoxetine hydrochloride, and topical medication such as lidocaine gel. Cool oil is a proprietary Chinese medicine. It is composed of menthol, menthol oil, camphor, eucalyptus oil, clove oil and other drugs. The efficacy is to cool and dissipate heat, wake up the brain and refresh the mind, relieve itching and pain. It is used to treat cold and headache, heat stroke, motion sickness, mosquito bites and so on. It can be seen that the drug has no role in the treatment of premature ejaculation. The adverse reactions of the drug are not clear. The drug is prohibited for those who are allergic to the drug, and allergic people should be cautious. The drug is for external use and should not be taken internally. Eyes, vulva and other skin mucosa and broken places are prohibited. If there is obvious burning sensation or itching, localized redness and swelling at the application site, stop using the drug and wash the affected area. If there is no significant improvement in symptoms, consult a physician. If you need to treat premature ejaculation, you should go to a regular hospital, under the guidance of a professional doctor to standardize the treatment, not blindly self-medication, so as not to aggravate the condition or cause adverse reactions.