Tumor intestinal obstruction can not be blocked, farting is usually caused by intestinal polyps, malignant tumors, lymphoma blockage and other reasons. 1. Intestinal polyps: Intestinal polyps generally refer to the protrusion of the intestinal mucosal surface, usually due to lifestyle habits, genetic factors, etc. As the polyps grow up and block the intestinal tract, patients will experience symptoms such as abdominal stuffiness, discomfort, vague pain, abdominal pain, and flatulence. 2. Malignant tumor: malignant tumor generally refers to fast-growing tumors, which may be caused by bad dietary habits, genetic factors, etc. Patients may have symptoms such as emaciation, low-grade fever, fatigue, body edema, intestinal obstruction or incomplete obstruction, and poor exhaust. 3. Lymphoma blockage: Lymphoma blockage generally refers to the formation of obvious swelling in local lymphatic circulation and accompanied by multiple cancerous lymphatic masses, which is usually caused by enlarged lymph nodes, low immune system and other reasons, and patients may have symptoms such as chills, swelling, and excessive drainage. Patients with the above symptoms should go to the hospital as soon as possible for examination, identify the cause of the disease under the guidance of the doctor, and carry out standardized treatment as soon as possible to avoid aggravation of the disease.