Pueraria lobata powder, konjac powder, papaya powder and rice are all food raw materials, which belong to carbohydrates chemically, and the main component is starch, which will not produce chemical reactions. They each contain similar nutrients, and there will be no phenomenon of "food to food" and "pharmacology to medicine". From the perspective of "food supplement", mixed eating is very beneficial to the body. The key points to pay attention to when cooking mixed porridge are as follows: first, cook rice porridge, mix three kinds of flour with a small amount of water to make a paste, then add it to the boiled porridge, and heat it with low fire while stirring until it is cooked.