Scientific Research Achievements and Research Directions More than 30 academic papers have been published in international and domestic journals such as Human Reproduction, Environment International, Science of the Total Environment, Cell & Bioscience, and Endocrinology. The main research directions include the assessment of spermatogenic function in patients with azoospermia and predictive indicators for sperm retrieval from the testis; the regulation of the testicular metabolic-immune microenvironment and its mechanisms; and the effects of environmental and genetic factors on male reproductive health and their mechanisms. The clinical work directions include reproductive andrology, microsurgery for male infertility, male erectile dysfunction, and male reproductive endocrinology.