饮食不科学常常引发肥胖症、糖尿病、心脏病、高血压等“富贵病”，我们应该学会科学的饮食方法，避免疾病，吃出健康。（1）营养要平衡：摄取的各种营养素比例要恰当，摄入量与机体需要量保持平衡。所需热能与热能来源配比平衡，氨基酸平衡，脂肪酸平衡，酸碱平衡，维生素平衡 Food unscientific often lead to obesity, diabetes, heart disease, hypertension and other “rich disease”, we should learn scientific diet, avoid disease, eat healthy. (1) Nutrition to balance: intake of various nutrients to be appropriate, intake and body needs to maintain balance. The required balance of heat and heat sources, amino acid balance, fatty acid balance, acid-base balance, vitamin balance