I. How to limit protein? Usually the recommended protein intake is 0.6 grams per kilogram of body weight. The food we eat everyday contains more or less protein, among which meat, eggs and milk have better protein quality and high utilization rate for human body, which can be used to repair or maintain strong muscles, others such as beans (mung beans, red beans, broad beans, pea kernels, etc.), drupe (peanuts, melon seeds, cashew nuts, etc.), gluten products, grains and cereals, flour products, groundnuts, taro, potatoes, vegetables and fruits contain protein Poor quality, will create more waste; soybeans and soybean products are plant-based protein, but its quality is no less than meat. How to add calories? Under the principle of protein restriction, the intake of rice is restricted, which can easily cause insufficient calories and make the body consume more protein and increase urea, and the body will gradually lose weight and have poor resistance, so we must eat more food with high calories and very low protein (such as sugar: white sugar, rock sugar, honey, fruit sugar, etc.; vegetable fats and protein powders such as clarified flour, corn flour, white flour, lotus root flour, winter flour, west grain rice, vermicelli, etc.). ). Daily calorie intake recommendation: 35-45 calories per kilogram of body weight.