Men can take Liuwei Di Huang Pill for a long time. Liuwei Di Huang Pill is mainly used for kidney yin deficiency when there is soreness and weakness of waist and knees, tinnitus and deafness, fatigue, impotence and premature ejaculation. Because the composition of the Six-flavored Dihuang Pill is very reasonable, it is mainly composed of six medicines, such as ripened earth, Chinese yam, cornelian cherry, poria, zedoary and mudanpi. Three of them are used to tonify the liver, spleen and kidney, namely Radix Rehmanniae Praeparata, Cornu Cervi Pantotrichum and Cornu Cervi Pantotrichum; and three of them are used to eliminate evil qi in the body, namely Poria, Ze Xie Di Diaphragm and Mudan Pi. Long-term use of Liu Wei Di Huang Wan can effectively improve the functions of the liver, spleen and kidney organs, especially the phenomenon of kidney deficiency. Men are allowed to take Liu Wei Di Huang Wan for a long period of time, which can delay aging and reduce the symptoms of tinnitus, deafness, gray hair, and soreness and weakness of the waist and knees.