Diagnosis and treatment of tens of thousands of male patients, in health consultation and psychological consultation, male infertility (including human assisted reproductive technology), chronic prostatitis, erectile dysfunction, premature ejaculation, azoospermia, retrograde ejaculation, male climacteric syndrome, male gonadal dysplasia, early habitual abortion related to men, and intractable diseases in andrology. Undertake scientific research projects at all levels and win many awards. The first author has published more than 90 academic papers, and edited many monographs such as Prostatitis (1 and 2nd editions), Male Infertility, Diagnosis and Treatment of Andrology, Menopause Syndrome of Men, Examination and Clinical Diagnosis: A Volume of Andrology, and Practical Andrology. , editor-in-chief of popular science works 10, and published hundreds of popular science articles.