机体为了维持生命从食物中摄取碳水化合物、蛋白质、脂肪三大营养素及少量的维生素和无机物。这些很少以原形直接被机体所利用。三大营养素在消化道经消化酶的作用转变成易被吸收的成分。当消化酶的量减少和质改变时则引起消化不良。消化酶药主要用于引起机体消化酶缺乏的疾病。消化酶药在日常诊疗中常用,但有滥用现 The body in order to maintain life from food intake of carbohydrates, protein, fat, three nutrients and a small amount of vitamins and minerals. These are rarely used directly by the body. The three nutrients in the digestive tract by the role of digestive enzymes into easily absorbed components. When the amount of digestive enzymes and qualitative changes caused when indigestion. Digestive enzymes are mainly used to cause the body’s digestive enzymes deficiency disease. Digestive enzymes commonly used in routine treatment, but there is abuse