Practice: Wash kudzu root, papaya, wheat germ and oats. Soak Coicis Semen, Semen Setariae, Semen Glycines, Semen Euryales, Rhizoma Dioscoreae, Poria, and Fructus Lycii for 65438 0 hours in advance. Then put all the ingredients in a saucepan, add appropriate amount of water, simmer for 3 hours, and add rock sugar according to personal taste.