Long-term stool sugar thin does not form the reason

The causes of constipation are as follows: the first: may be caused by eating unclean food; the second: may be caused by abdominal cold; the third: may be caused by enteritis; the fourth: may be caused by indigestion; the fifth: may be caused by intestinal flora imbalance; the sixth: may be caused by intestinal dysfunction; the seventh: may be caused by bacterial infection; the eighth: may be caused by viral infection.