The normal stool can be reflected by the traits, color, smell, quantity and the feeling of defecation, as follows: 1, traits, healthy stool is sausage-like strips, texture is not sticky, after the stool can be flushed clean with water. If you eat too much protein stool will become hard; eat more vegetables, fruits stool will be soft. 2, color, normal stool is yellow or yellow-brown, the color of the stool is also closely related to the food eaten, if you eat too much animal offal or iron-rich food, the stool will be black. 3, smell, normal stool is smelly, like to eat meat stool will be smelly. 4, quantity, the normal The normal number of 1-3 times/day, the majority of adults is 1 time. 5, the feeling of defecation, generally can be passed smoothly, there is no effort or feeling of urgency, and no residual bowel movements.