Consider physiologic factors such as fecaliths, or pathologic factors such as enteritis and Crohn’s disease. If it is physiological factors, dietary structure can be adjusted, and pathological factors can be treated with drugs or surgery. 1. Physiological factors: If the hard lump is painless to touch, the first thing to consider is that it may be a fecal stone, or the structure of the descending colon itself – intestinal tube, which is a normal physiological phenomenon. It is a normal physiological phenomenon. You can drink more water, or eat some foods and medicines to promote fecal discharge, such as celery, leeks, lactulose oral solution, etc., which can promote the discharge of colonic contents. 2. Pathological factors: may be gastrointestinal dysfunction caused by enteritis, or Crohn’s disease, which is manifested in the descending colon at the touch of a hard lump, accompanied by some other digestive symptoms. Clinically, you can take some drugs to regulate the intestinal flora such as bifidobacteria under the guidance of the doctor or cure it through surgery. There are many other reasons for the hardness at the descending colon, such as worsening symptoms accompanied by abdominal pain, bloating, nausea, vomiting and other symptoms, it is recommended to go to the hospital as soon as possible, to clarify the cause of the disease and then targeted treatment.