Adults have abnormal stool patterns, mainly including changes in stool shape and changes in stool color. 1. Abnormal stool shape: thin juice stool, often including pus-like, containing membrane, wash water-like, red bean soup-like, thin water-like, etc.; rice slop-like stool manifested as white rice-water-like, often containing mucus pieces; stool texture is too hard. 2. Abnormal stool color: The normal color of human stool is yellow. Pale yellow stools are commonly seen in infants; white clay color is seen in consuming a lot of fat, cholestatic jaundice, etc.; red stools are seen in consuming a lot of tomatoes, hemorrhoids, anal fissure; jam-colored stools are seen in consuming a lot of coffee, amoebic dysentery, intussusception, etc.; tar-colored stools are seen in consuming animal blood, upper gastrointestinal bleeding, taking iron, medicinal charcoal and so on. If you have abnormal stools for a long time, it is necessary to go to a regular hospital for an early examination and treatment according to the results.