RESUMEN
<p><b>OBJECTIVE</b>To investigate the clinical effect of the Chinese medicinal preparation Shengling Capsule on patients with oligoasthenospermia.</p><p><b>METHODS</b>A total of 270 male patients with infertility induced by oligoasthenospermia were equally divided into a treatment and a control group, the former medicated with Shengling Capsule at the dose of 1.6 g tid, and the latter given Vit E at 50 mg tid, both for a course of 12 weeks. Then we analyzed the changes in the patients'seminal parameters and the pregnancy of their wives.</p><p><b>RESULTS</b>After 12 weeks of medication, both the seminal parameters of the patients and pregnancy of their wives were remarkably improved, with extremely significant differences from pre-treatment and the control (P < 0.01).</p><p><b>CONCLUSION</b>Shengjing Capsule can improve sperm motility and vitality as well as sperm count. With few adverse effects, it can be used as a safe and effective therapeutic for male infertility induced by oligoasthenospermia.</p>