食物进入人体,经食道、胃、肠等消化吸收,取其精华以供给体内营养,弃其糟粕排出体外。排出的粪便如发现次数、量、形状、色泽及气味的变异,能觉察出人体消化功能的好坏,有无损伤及感染等现象。 不同年龄的儿童及所进食品种类的不同,正常粪便的性质也有区别。婴儿以人乳为主食者,粪便呈黄色糊状,以牛乳为主食者呈淡黄色细条状,每日2～3次。2岁以上儿童 Food into the body, the esophagus, stomach, intestines and other digestion and absorption, whichever is the essence to provide nutrition in the body, abandon its dregs excreted. Excretion of excreted as found in the number, volume, shape, color and odor variations, can detect the body’s digestive function is good or bad, with or without injury and infection and so on. Different ages of children and the type of food is different, there are differences in the nature of normal feces. Baby-based human milk eaters, yellow paste was stool, the main edible milk was light yellow strip, 2 to 3 times a day. Children over 2 years old