Patients with saucy stools, consider slow gastrointestinal emptying, diet, medication, gastrointestinal bleeding, etc., as follows: 1, slow gastrointestinal emptying: eat a lot of greasy, high protein food, slow fecal emptying, will appear dark stool color, appear saucy. 2, diet, medication: the use of certain drugs or food for stool staining, such as some bismuth, iron-containing drugs, animal offal, animal blood, etc. 3, gastrointestinal bleeding : Gastrointestinal bleeding may have occurred, when considering the emergence of gastrointestinal bleeding, we should pay high attention to the general adult daily bleeding volume > 5mL, positive fecal occult blood test, the naked eye view of the stool is still yellow, if gradually increased, bleeding volume > 50ml, it can appear black stool, tarry stool, so the stool is sauce-colored, more consider the gradual increase in bleeding volume. There are many clinical reasons for the occurrence of gastrointestinal bleeding, the most common being peptic ulcer, ruptured esophagus-fundus varices, acute erosive hemorrhagic gastritis, and gastric cancer. When gastrointestinal bleeding occurs, it is important to seek medical attention immediately to control the bleeding, as well as to conduct relevant examinations to clarify the cause and site of bleeding, assess the amount of bleeding, prognosis, and give precise diagnosis and treatment under the guidance of a doctor to avoid delaying the condition.