Yellowish-brown stool is a normal phenomenon, not related to disease. After the nutrients in food are absorbed by the intestine, the remaining residue will form feces, which will be excreted along with the peristaltic movement of the intestine. The yellowish-brown color of the feces indicates that the intestinal system is healthy, the liver and gallbladder function is normal, and there is no relationship with physical diseases. On the contrary, the appearance of other colors in the stool represents the appearance of diseases in the body, when the color of the stool is clay white indicates that the bile excretion is impaired, and this situation is related to liver and gallbladder diseases, when the color of the stool is green most of them are caused by indigestion, acute enteritis, while the black color of the stool needs to be alert to the cause of gastrointestinal bleeding.