The clinical name of oligozoospermia is oligospermia, which refers to the small amount of sperm discharge during sexual intercourse, or even only one or two drops. It is mostly caused by congenital insufficiency, indolence in the bedroom, overwork, and dietary disorders that deplete semen. The treatment is to replenish the kidneys and benefit the vital essence, which can be done by using the formulas of Shengmian Yulin Dan, Tianjing Ziqiu Pill, Deer Antler Pill, and tonifying Dihuang Pill. 1. Shengmian Yulin Dan is composed of Panax ginseng, Ophiopogon, Cistanches, Cornus officinalis and so on. It is effective in tonifying the kidney and filling up the essence. It is effective in treating men with scanty spermatozoa. 2. Timing Essence and Continuing Pill, composed of ginseng, antler gelatin, tortoise shell gelatin, wolfberry and so on. It is effective in nourishing the kidney and filling up the essence. It is used for treating hypospermia in men. 3. Deer Antler Pill, composed of deer antler, hyssop, mammon dong, cistanchis, dendrobium, raspberry, castor seed, cinnamon heart, etc. It can treat deficiency of labor and fatigue, insufficient bone energy, clear and little semen, impotence, and weakness of feet and knees. 4. Tonifying Di Huang Wan, consisting of Radix Rehmanniae Praeparata, Herba Cistanches, Radix Angelicae Sinensis, Fructus Schisandraeae, Radix Polygoni Multiflori, Rhizoma Polygoni Multiflori, Cinnamomum Cassiae, etc. It is effective in benefiting the kidneys and filling up the vital essence, and warming and tonifying the kidney yang. It is used for treating symptoms such as pallor (whiteness and lack of luster), lumbar soreness and fatigue (loss of spirit) and impotence caused by deficiency and loss of vital essence. It is recommended that patients choose the drug under the guidance of a doctor, do not take medication on their own, the therapeutic effect may be counterproductive.