The invention provides a kidney-tonifying and yang-strengthening capsule, which relates to the field of traditional Chinese medicines. The kidney-tonifying and yang-strengthening capsule contains the following ingredients of: morinda officinalis, rhizoma curculiginis, red ginseng, astragalus roots, fried wolfberry fruits, epimedium, cauterized polygala tenuifolia, acanthopanax roots, Chinese chive seeds, fried Chinese angelica, dogwood fruits, white fushen, fried dodder, sea horse, actinolite, sea cucumber, fried shizandra berry, cistanche, cinnamon, cimicifuga foetida, deer antler and ants. The kidney-tonifying and yang-strengthening capsule is prepared by adopting the steps of: soaking, cutting, air-drying and grinding the Chinese medicinal herbs and the animal components into fine powder, then pouring the fine powder into a machine, encapsulating the fine powder into middle-size capsules, and incorporating the capsules for later use. The kidney-tonifying and yang-strengthening capsule can be used for youth, middle-aged and elderly people with hypoactive sexual desire disorder and sexual dysfunction, such as impotence, prospermia, spermatorrhea, breathe hard, mental fatigue, intolerance of cold, soreness and weakness of the waist and knees and premature senility, and for women with the diseases of frigidity, abnormal menstruation, acyesis caused by cold in uterus, and the like. The kidney-tonifying and yang-strengthening capsule has the efficacies of enhancing the sexual desire, the promoting excitement and prolonging the copulation time.