Radix linderae is a commonly used medicine to help people with headache, postpartum abdominal pain and frequent urination in clinical practice.

Alisma is one of the traditional Chinese medicine. According to Chinese medicine theory, it is cold in nature and has the effect of diverting water and dampness. Modern medical research shows that Alisma can reduce serum total cholesterol and triacylglycerol content, slow down the formation of atherosclerosis.

As the saying goes, " old ginger is hotter than new " Dried ginger is the dried, old rhizome of ginger for medicinal purposes.