1. Efficacy and function of Polygonum cuspidatum: Polygonum cuspidatum is a traditional Chinese medicine, which tastes sour and cold and can enter the liver and gallbladder meridians. Its main functions are promoting blood circulation, removing blood stasis, expelling wind and dredging collaterals. Can be used for treating common diseases such as amenorrhea, dysmenorrhea, traumatic injury and the like of women, and can also be used for treating human damp-heat jaundice and rheumatic bone pain with obvious effect.

2. How to eat Polygonum cuspidatum

(1) soaking in wine

Soaking wine is a common edible method of Polygonum cuspidatum. The medicated liquor soaked with it can dispel wind and remove dampness, and can treat and prevent human arthritis. When soaking wine with Polygonum cuspidatum, it is necessary to prepare 250 grams of Polygonum cuspidatum and 750 grams of white wine, put them together and seal them, take them out after 20 days, and drink them twice a day, each time 15 grams.

(2) decoct soup

Decocting soup is also a common way to eat Polygonum cuspidatum. When you use it to decoct soup, you can add reasonable red dates and brown sugar, and add a proper amount of wormwood. After boiling the soup, it can be eaten directly, which can clear away heat and reduce fire, and can also induce diuresis to remove jaundice. Most suitable for people with damp-heat jaundice.

(3) making tea

Polygonum cuspidatum can also be used to make tea. When using it to make tea, you need to prepare 30g of Polygonum cuspidatum, 30g of Radix Isatidis, 30g of Taraxacum mongolicum and 30g of Herba Artemisiae Scopariae, and finally add dried tangerine peel 10g, grind into fine powder, take 50g each time, put it into a cup, soak it in boiling water10min, and drink tea directly. The medicinal materials put in once can be brewed repeatedly, which can prevent acute and chronic hepatitis and hepatosplenomegaly.