To evaluate the efficacy and safety of Shen Hai Long Capsule in the treatment of mild to moderate asthenospermia in men: 1) Efficacy index (1) Main efficacy indexes Forward motile sperm ratio (PR) (2) Secondary efficacy indexes 1. Sperm survival rate; 2. Sperm concentration; 3. Normal morphology rate of sperm; 4. Seminal malondialdehyde (MDA) 5. Seminal superoxide dismutase (SOD) 2) Safety indicators~(1) Vital signs; (2) liver and kidney function; (3) blood routine; (4) electrocardiogram; (5) Adverse events.
To evaluate the efficacy and safety of Shen Hai Long Capsule in the treatment of mild to moderate asthenospermia in men.