Low ejaculation may be caused by frequent ejaculation, nutritional factors, infectious factors and other reasons. 1. Frequent ejaculation: the normal ejaculate volume of general male is about two to six milliliters, frequent sexual life will make the semen storage insufficient, resulting in low semen, if the patient has a long time of abstinence, a sudden ejaculation, the semen will become more. 2. Nutritional factors: If men are more partial to food in their daily life and lack nutrition, it will lead to the reduction of semen, and also lead to the decline of male fertility, so men try not to be partial to food, and intake of food with higher protein, which is beneficial to the body. 3. Infectious factors: for example, chronic seminal vesiculitis or chronic prostatitis may affect the amount of semen, resulting in too little semen, and there will also be pain during ejaculation, bloody semen and other symptoms. Other causes can also cause low semen, daily life need to avoid frequent sex, also need to abstain from masturbation, when the situation of low semen for a long time, the patient needs to go to the hospital for examination, clear the cause of the disease and then treatment.