There is no shortage of gum-like herbs in Chinese medicine. These herbs are mostly made from animal skin, bone, nail, horn, meat and other parts, which are decocted with water, drenched and concentrated to form an indefinite gel-like substance. These herbs are semi-transparent solid at room temperature, but melt when heated and can be dissolved in water to form a colloidal solution. 1. Agaricus / Donkey Skin Agaricus is a solid gel made by boiling the skin of donkeys after hair removal. It is sweet and flat in nature, with the effect of nourishing blood, stopping bleeding, nourishing Yin and moistening dryness, and is suitable for blood deficiency, Yin deficiency and various bleeding diseases; it should be taken with caution by people with weak spleen and stomach and indigestion. 2, turtle plate gum Turtle plate gum is the turtle’s shell boiled into a solid block of gum. It is sweet, salty and flat in nature; nourishes yin, tonifies blood, stops bleeding and strengthens bones for the kidney. It is suitable for Yin deficiency and blood deficiency, bone fever, vomiting and epistaxis, cough with lung fever, palpitations with irritability, collapse, and defecation. It is contraindicated for those with deficiency cold in the spleen and stomach. 3.Turtle shell gum Turtle shell gum is a solid gel made from the dorsal nail of the Chinese soft-shelled turtle (Pelodiscus sinensis) by decoction and condensation. Turtle shell gum is mild and flat in nature. It is mainly used for deficiency of yin and blood, dampness and fever in the bones, and accumulation of obstruction in the intestine. It is not to be taken by those with weak spleen and diarrhea. 4, deer antler gum Deer antler gum is the decoction of plum deer or horse deer horn gum liquid by concentrating, condensing made of solid gum block. Deer horn gum is sweet, salty and warm, with the effect of warming the liver and kidney, benefitting the essence and nourishing the blood, mainly used for kidney and Yang deficiency, essence and blood deficiency, deficiency, palpitations and forgetfulness, impotence, spermatorrhea, collapse and defecation. It is contraindicated in cases of Yin deficiency and Yang hyperactivity, and is prohibited for pregnant women. 5.Yellow gelatin Yellow gelatin is made from dried cow’s hide. It is sweet and flat, nourishes Yin and moistens dryness, nourishes blood and stops bleeding. It is used for constipation, epistaxis and bleeding. The dosage of the above-mentioned gums: stewed in wine or water; in soup, broken up and dissolved in the decoction. Gum preparations such as gum, deer horn gum, turtle plate gum and turtle shell gum are often added in the preparation of ointment. On the one hand, it helps to form the paste and increase the viscosity of the juice; more importantly, it uses the good efficacy of the gum herbs themselves. 6, flower gum flower gum that is fish maw, is a variety of dried fish bladder products, to be rich in gum and famous. It is rich in protein, gum, etc. It has the function of nourishing yin and nourishing skin, nourishing blood, fixing kidney and cultivating essence, and it is not dry. It has the effect of eliminating fatigue and promoting the recovery of surgical wounds. According to “Compendium of Materia Medica”, it can nourish kidney and essence, nourish tendons and veins, treat kidney deficiency, slippery sperm and postpartum wind spasm. It is suitable for kidney yin deficiency, weakness and post-operative patients. It can be used to make soup or dishes. Precautions for taking gums 1. Avoid spicy, cold and greasy food. 2, with hypertension, heart disease, diabetes, liver disease, kidney disease and other serious chronic diseases should be taken under the guidance of a physician. 3, external sensation or dampness and heat should not be taken. 4.It is easier to absorb when taken before meals. 5, after 2 weeks of taking the symptoms do not improve, or symptoms worsen, or the emergence of new serious symptoms, should immediately stop the drug and go to the hospital for medical consultation. 6.Allergic people are prohibited, allergic people should use with caution. 7.Forbidden to use when the properties of gum drugs change. 8.Children, pregnant women, the elderly and infirm should be taken under the guidance of a physician. As the sources of various gums are different, their effects are also different. When combining gum herbal medicine, it should be chosen according to its different efficacy characteristics and according to the patient’s condition and constitution. In addition, because of the sticky nature of gum, it is not advisable to use several kinds of gums overlapping each other to prevent them from nourishing and hindering the spleen, and people with weak spleen and stomach should not abuse them at will.