Many patients with infertility are given oral vitamin C for symptomatic treatment during clinical treatment. This can damage the integrity of the membrane, impair sperm motility, reduce sperm motility and lead to oligozoospermia in men. Vitamin C is a commonly used therapeutic drug with anti-aging and antioxidant effects, which can improve the immunity of the body and improve sperm vitality and number. So when treating infertility patients are given oral vitamin C for symptomatic treatment, mainly to play the role of antioxidant to improve sperm vitality.