Premature ejaculation in men with short erection time is commonly caused by excessive mental tension, or over excitement, etc. It may also be caused by disease. If the duration of every sexual life or most of the sexual life is less than 2 minutes, the possibility of premature ejaculation is generally considered to exist. The main reason is that the sensory nerve afferents of the penis are overly sensitive and easily excited, and a smaller stimulus can cause penile excitement and induce orgasm, which makes ejaculation too fast and sex too short. It is recommended to relax your mind when having sex, and your partner can also give more encouragement to it. Generally as long as you can reach 2-6 minutes even if normal, and 5-30 minutes is appropriate, but in fact, the time of sexual life will vary from person to person and affected by many factors, such as age, emotions, feelings between partners, physical condition, etc., therefore, both sides should be able to achieve sexual satisfaction as the main criterion, not the longer the better. If a man’s duration seriously affects the quality of normal sexual life or the sexual harmony between partners, it is recommended to actively seek medical attention.