平衡膳食因各种营养素量充足,比例合适,而且种类齐全,不仅能满足机体的各种生理需要,也能预防多种疾病的发生,是人类最合理的膳食。平衡膳食包含粮谷类、肉蛋奶鱼类、豆类及其制品、蔬菜水果类和油脂类食品。一般来说,从事中等劳动的成年人可按粮食占膳食总重的41%、肉蛋奶鱼和豆类制品占16%、蔬菜水果占41%、油脂占2%来安排 Balanced diet due to a variety of nutrients is adequate, the right ratio, and the full range, not only to meet the body’s various physiological needs, but also to prevent the occurrence of a variety of diseases, is the most reasonable human diet. Balanced meals include cereals, meat and eggs fish, beans and their products, fruits and vegetables and fat foods. In general, adults with moderate workforce can arrange 41% of the total meal weight, 16% of the meat, milk, fish and legumes, 41% of fruits and vegetables and 2% of fat