Practice cleaning the wok and heating it on medium heat. Put 30 grams of auricularia auricula into a wok and stir fry constantly. The color of auricularia auricula turns from gray to black. When it is slightly burnt, put it in a bowl for later use.

Reset the fire in the pot, add 15g black sesame seeds to stir-fry slightly until fragrant, then add about 1500g clean water, and add raw and cooked auricularia auricula at the same time, cook for 30 minutes on medium fire, then take it out of the pot, filter it with clean double-layer fine gauze, and eat it when the filtrate is put into a vessel.

Drink 100 ~ 120g each time, and add 20 ~ 25g of white sugar. You can also put away burnt black fungus, fragrant black sesame and raw black fungus together.

How to eat: make tea with 5 ~ 6g boiling water 120g each time.

Cooling blood, stopping bleeding, moistening intestines and relaxing bowels. It is used to treat hematochezia due to blood heat, hemorrhoid hematochezia, intestinal wind hematochezia and dysentery hematochezia, and has certain curative effect. Old people often use this prescription, which can achieve the effect of strengthening the body and prolonging life.