If a man wants to have a long-lasting sex life, the most fundamental thing is to improve their sexual function, the general method is to improve self-confidence, targeted exercise, medication, surgery and so on. Specifically as follows: 1. Maintain a good mood, develop good habits, improve self-confidence and so on can help to improve sexual function. 2. You can improve your sexual ability through sports, such as squatting, long-distance running and anal lifting. 3. If there is excessive sensitivity of the glans penis, you can use condoms, or local use of lidocaine cream and other drugs, you can also take oral dapoxetine and other drugs. However, the drugs have certain side effects and are not recommended for long-term use, and should be used in accordance with medical advice. 4. If the above methods are ineffective, and there is a clear case of excessive sensitivity of the glans penis, you can choose surgical treatment. Dorsal penile nerve block surgery cuts off part of the sensory nerves, causing a decrease in the sensitivity of the glans penis and a decrease in the afferent nerve impulses, thus prolonging the time for the nerves innervating ejaculation to reach the threshold of excitement. You can choose the appropriate method according to your own situation to achieve the purpose of lasting, but need to avoid unauthorized use of drugs, it is recommended to use drugs under the guidance of a doctor. If discomfort occurs need to go to the hospital in time to consult a professional doctor.