1, thickness matching: coarse grains, such as millet, whole wheat, oats, bread, brown rice, tartary buckwheat, etc., are appropriately selected. The whiter the rice flour, the worse the nutritional value. Eating more coarse grains helps to prevent diabetes, senile plaque, constipation, etc., and also helps to lose weight.

2, dry and thin collocation: in addition to rice, you can choose some soup and porridge foods, such as red bean stewed carp soup, wild loach tofu soup, black sesame paste and so on.

3, color matching: food is generally divided into five colors: white, red, green, black and yellow. Representative foods of various colors are as follows: white ones include rice flour, milk and so on; The red ones are tomatoes, jujubes, red wine and meat. Green has green vegetables, green tea, etc. Black ones include black beans, black rice, black sesame seeds, cuttlefish, etc. The yellow ones are oranges, rice bran, soybeans, carrots and so on. One-day diet should take into account the above five colors of food.