Short sex life can be prolonged through psychological guidance, behavioral therapy, medication, dietary regimen and other ways. 1. Psychological guidance: communicate with your partner to relieve anxiety and tension, and consult a psychiatrist for guidance if necessary. 2. Behavioral therapy: you can use the method of squeezing the coronal groove of the penis to alleviate the feeling of ejaculation; you can also use the method of stopping the movement to improve the ejaculation threshold. 3. medication: take paroxetine, sertraline and other drugs under the guidance of a doctor to prolong sexual life; you can also apply topical anesthetic ointment, such as lidocaine hydrochloride gel, etc., to reduce the sensitivity of the glans. 4. Dietary adjustments: eat more zinc-rich foods, such as kelp, oysters, etc., usually pay attention to balanced nutrition. Through these methods to improve sexual life time has a great help, drugs need to be used under the guidance of a doctor. In addition, usually to strengthen physical exercise, avoid staying up late, also need to pay attention to quit the habit of masturbation. If the above methods are ineffective, it is recommended that patients go to the hospital to clarify the cause of the disease, under the guidance of the doctor active treatment.