Slow ejaculation is medically known as delayed ejaculation, which may be related to factors such as age, diet, psychology, diseases and drugs. 1. Age: Increasing age will cause the body’s gonadal organs to atrophy and the level of androgen secretion to decrease, which will reduce men’s ability to feel and receive stimulation, resulting in delayed ejaculation. 2. Diet: If a man likes to drink alcohol on a daily basis and reaches the level of alcoholism, he may inhibit the nerve reflexes, so that the strength of male erection is weakened and delayed ejaculation occurs. 3. Psychological: When men are under too much pressure and in a low mood, it will also have an impact on their sex life, which may manifest itself in delayed ejaculation. 4. Disease: If the male androgen level is too low or there is inflammation of the genitourinary system, such as prostatitis, pyelonephritis, cystitis, etc., will affect the ejaculation of the patient to a certain extent, the symptoms of delayed ejaculation, generally may also be accompanied by pain. 5. Drugs: Some drugs may cause delayed ejaculation, such as 5-hydroxytryptamine reuptake inhibitors. When delayed ejaculation does not improve for a long time, it is recommended to go to the hospital for examination and treatment.