Turtle deer and two immortals cream, turtle is the best intermediary, it has the most complete yin. Antlers dissolve immediately when they meet the summer solstice, and they are pure yang. In less than two months, they grow to ten or twenty kilograms, and the bones grow faster than this, which can replenish qi and blood. Both of them use qi and blood to replenish qi and blood, and so does the so-called tonic. Ginseng greatly tonifies vitality, and Lycium barbarum nourishes yin and helps yang, which is a tonic for qi, blood and yin. Sufficient qi is fine and solid, while sufficient blood is clear. Long-term use can prolong life, and you will get sick at first. Li Shizhen said: Turtles and deer are alive and have a long life. The glans penis is often hidden in the abdomen, so it can be used to nourish the heart, kidney and blood, all of which are nourishing yin; Deer's nose often turns back to the tail, which can lead to the governor's veins and put horns to replenish qi and blood, all in order to nourish yang. You can also eat turtle ling paste for diet therapy, which can not only replenish qi and blood, but also replenish yin and yang.