What does the snake's inner Dan look like?

Snakes don't have so-called inner Dan in novels or stories. In some stories, Neidan may be the gall of some kind of nodule or snake. Snake gall is the gallbladder that stores bile in the snake. All snake gall can be used as medicine. The most effective treatment of snake gall is: clearing away heat and toxic materials, expelling wind and removing dampness, improving eyesight and clearing heart; It is especially suitable for patients with acute rheumatoid arthritis, cough due to lung heat, stomach heat pain, liver heat with red eyes, skin heat toxicity, etc. , the curative effect is extremely significant; Treating external hemorrhoids with snake gall and applying sesame oil to the affected area can take effect in two or three days; Can be used for treating ulcer pain, parotitis, lymphadenopathy, etc. After applying snake gall, it can diminish inflammation and relieve pain; Skin diseases such as scabies, stubborn tinea and neurodermatitis. Regular application of snake gall can also receive good curative effect; In China, there are more than ten kinds of Chinese patent medicines with snake gall as the main raw material, such as snake gall Fritillaria liquid, snake gall Fritillaria loquat cream, snake gall Fritillaria powder, snake gall Pinellia powder and snake gall tangerine peel powder, which are deeply loved by the masses. Medical research shows that snake gall is rich in trace elements such as copper, iron, calcium, magnesium, vitamin C and E, which plays an important role in maintaining hormones in human body and delaying aging. Taking snake gall regularly can improve the circulation of the body, enhance immunity, and achieve the purpose of treating external diseases internally.