After the stomach stops bleeding on the basis of having normal defecation needs about 3 times of normal defecation to be basically eliminated, usually need 3~5 days, the specific time needs to be combined with the patient’s condition comprehensive analysis. When the rupture of blood vessels in the stomach occurs, due to the characteristics of the digestive system, depending on the thickness of the broken blood vessels and the size of the bleeding, the patient may experience symptoms such as vomiting blood, black stools, or even shock. After the bleeding stops, because the original blood will stay in the gastrointestinal tract for a period of time, so the stomach will still have the symptom of black stools after the bleeding stops. Generally speaking, it takes 3 days to 5 days for the black stools to be basically discharged after gastrointestinal bleeding stops after the patient has been treated, and the black stools will gradually turn into yellow stools, and the time of the black stools will change according to the patient’s frequency of defecation, the habit of defecation, and the presence of bleeding again. If the patient has black stools and the duration of black stools is too long, it is recommended to go to the hospital in a timely manner, complete the gastroscopy and other auxiliary examinations, to clarify the condition and then carry out active treatment.