Forty-nine percent of immobile sperm are abnormal. The sperm function test in the routine semen test is mainly to assess the penetration and motor vigor of the sperm. The normal value of sperm motility should be ≥60%, so the percentage of immobile sperm should be <40% is normal, so 49% immobile sperm is not normal. Semen routine also includes the examination of sperm count and sperm appearance, judging from the above three levels to comprehensively analyze the male fertility function. Generally speaking, if the overall number of sperm drops, the appearance of sperm is abnormal, there are deformities and sperm vitality is insufficient, it may affect the fertility status of men. In this case, it is necessary to complete other examinations to identify the causes of such situations and then carry out targeted treatment.