The effect of simple fatty liver on spermatozoa in the early stage will not be particularly obvious, but if no attention is paid to controlling fatty liver, when it gradually develops into steatohepatitis or even steatohepatocirrhosis, it may have an effect on spermatozoa. Because at this time there will be more serious liver function abnormalities, may cause hormone dysfunction, there will be a series of metabolic syndrome, showing hyperlipidemia, hypertension, high blood sugar, etc., these and the metabolism of spermatozoa have a certain relationship, so it is necessary to control the fatty liver in the early stage, if there is a more serious liver disease tends to cause some impact. Normally, we should do a low-salt and low-fat diet, do not eat too greasy food, and do not drink alcohol, especially high liquor is best to quit. Appropriate physical exercise is very helpful to improve the quality of sperm, you can run, swim, play ball and so on.