You should not drink alcohol the day before the sperm quality check to avoid any effect on the results. Checking sperm quality usually refers to routine semen test, and you should not drink alcohol the day before, because after drinking alcohol, it may lead to abnormal sperm indicators, thus making the results of routine semen test inaccurate. Before the routine semen examination, also do not use drugs arbitrarily, ensure sufficient sleep, 3~5 days before the examination should be prohibited from sexual intercourse. During routine semen examination, it is possible to determine whether there are any abnormalities in sperm quality, quantity, deformity rate and other indicators of a man, and if there are no abnormalities, normal preparation for conception and pregnancy can be carried out. If there is no abnormality, normal preparation and pregnancy can be carried out. When there is abnormality, further examination should be carried out to clarify the causative factors and carry out targeted treatment.