There is no specific number of spermatozoa in a man, and the amount of spermatozoa in the body is related to the state of the organism, ageing, and environmental factors, so the number of spermatozoa in a man’s body cannot be calculated. Sperm production is a continuous dynamic process, due to the differences in the organism, so the number of sperm production is also different, as long as the testicular tissue does not degenerate, the normal function of the testicles will continue to produce sperm, but with the growth of age, the ability to produce sperm will also be weakened, and if the man has nutritional deficiencies or a lack of micronutrients will also lead to the reduction of male sperm. The volume of spermatozoa is generally 2~6 ml, if the volume of spermatozoa is less than 1 ml, the volume of spermatozoa is low, you can pay attention to observe the volume of spermatozoa in your daily life, and if there is any abnormality, you should go to the regular hospital in time to have an examination, to check the number of spermatozoa as well as the activity whether it is normal or not, and pay attention to the usual diet and life rules, to avoid the too much pressure caused by the spermatozoa volume reduction. If there is any abnormality, the patient should consult the doctor for examination and early treatment.