While meridian formulas refer to formulas from before the Han Dynasty, represented by Zhang Zhongjing’s formulas, there are not many meridian formulas that fill the essence and replenish the marrow. Examples of meridian formulas that fill the essence and replenish the marrow include: Kidney Qi Pill. Other prescriptions that are not meridian prescriptions but have the effect of filling the essence and replenishing the marrow and are commonly used in the clinic include Zuo Gui Wan and Gou Deer Er Xian Gum. Kidney Energy Pill is from the book “The Essentials of the Golden Chamber”, which consists of Radix Rehmanniae Praeparata, Rhizoma Dioscoreae, Rhizoma Dioscoreae, Rhizoma Zizoma Zedoariae, Poria, Radix et Rhizoma Dampii, Radix Cinnamomum Cassiae and Radix Pseudostellariae. It has the effect of tonifying the kidney and promoting yang. It is effective in nourishing yin and tonifying the kidneys, filling in the marrow (replenishing the body’s essence and promoting bone marrow development). Gou Deer Er Xian Gum is from the book of “Medical Poetry”, which consists of antlers, tortoise board, ginseng, wolfberry and other medicines. It has the effect of nourishing yin and filling essence, benefiting qi and strengthening yang.