Groundnut has the effects of clearing heat, quenching thirst, and dispelling wind and dampness (removing wind and dampness from the body). It can be used to treat fever and thirst, cough, vomiting and diarrhea, joint pain and other diseases. Dizi belongs to clearing heat and removing dampness, Dizi belongs to the family of grass family plant Huangmao rhizome or whole grass. Groundnut is also known as thatch grass, root of the grass, hairy needle grass, yellow grass, soil tendon, twisted yellow grass. It enters the liver meridian, is sweet and cold in nature, and can be used both internally and externally. It can be used both internally and externally. It is effective in clearing away heat, quenching thirst, dispelling wind and removing dampness. It is used in the treatment of rheumatism and paralysis, fever and thirst, cough, vomiting and diarrhea. Due to the cold nature of Dizi, it should be used with caution for those with spleen and stomach deficiency (spleen and stomach weakness and cold). The adverse effects of Radix Rehmanniae Sinensis are not known. Groundnut is contraindicated in people with a history of allergy to Groundnut. It is recommended to use under the guidance of a professional Chinese medicine practitioner.