The stool is not dry, but difficult to defecate, mostly consider the slow intestinal peristalsis caused by the common causes are as follows: First, too little fiber intake: eating less, suppressing the feeling of defecation. Second, drug factors: taking certain drugs, such as opioids, anticholinergics, antidepressants. Endocrine and metabolic factors: hypothyroidism, hypercalcemia, etc. Fourth, neurological diseases: such as Parkinson’s disease, multiple sclerosis, spinal cord injury. V. Psychological disorders: such as obesity-related psychological disorders. Sixth, gastrointestinal diseases: intestinal obstruction, pyloric obstruction, megacolon, redundant sigmoid colon, and rectal and anal canal factors, such as anal atresia or malformation, anal stenosis, rectal bulge, rectal mucosal prolapse, etc. All of the above factors can lead to defecation difficulties, defecation difficulties should be timely to the hospital for relevant examinations to clarify the cause and give the right treatment.