Blood in the stool after eating chili may be due to bleeding hemorrhoids, ulcerative colitis aggravation and other reasons. Hot pepper and other spicy stimulating food, will cause gastrointestinal mucosa congestion, at the same time due to hot pepper and other stimulation of the desire to defecate increased, caused by increased pressure in the intestinal tract, a variety of factors stimulation lead to hemorrhoids originally has the venous reflux of poor exacerbation, caused by hemorrhoidal bleeding. In addition to ulcerative colitis and other diseases, chili peppers may lead to aggravation of the disease, so that the disease of the original blood in the stool and other symptoms intensified. For people suffering from hemorrhoids, ulcerative colitis and other gastrointestinal diseases, the daily diet is recommended to be light, avoiding irritating foods such as chili peppers, and it is also recommended to avoid drinking alcohol. If you have blood in the stool after consuming chili peppers, it is recommended that you go to the hospital in a timely manner.