Long Deer Pill is effective in warming the kidneys and strengthening the yang (warming and tonifying the yang in the kidneys), benefiting the qi and nourishing the kidneys, and works to treat symptoms such as mental depression caused by evidence of deficiency of vital energy. Long Deer Pill is a Chinese patent medicine, mainly composed of antler, ginseng, Epimedium, Cornus officinalis, Radix Rehmanniae Praeparata, Rhizoma Polygonati Odorati, Radix et Rhizoma Polygonati Odorati, Cistanchiae Cistanches, Fructus Lycii, Rhizoma Pseudostellariae, Astragalus Membranaceus, Radix Angelicae Sinensis and other Chinese medicines, which can warm the kidney to strengthen the yang and nourish the kidneys. It is used to treat the symptoms such as depressed spirit, loss of appetite caused by the deficiency of the vital energy, men’s yang decline, cold semen, impotence, and lack of firmness of the spermatogonial seminal emission, as well as the symptoms of the woman’s uterine cold and long time not conceived. Note that patients allergic to Long Deer Pills should be avoided, its adverse effects are not clear; do not eat greasy, spicy food during the medication. Long Deer Pills need to be used under the guidance of a Chinese medicine practitioner to identify the evidence, do not use blindly.