Mesenteric lymph nodes are normal tissue structures in the body and do not require treatment. Mesenteric lymph nodes are generally defined as the presence of lymph nodes on the tissues that supply blood to the intestinal tract and are normal anatomical structures. Mesenteric lymph nodes are important immune organs of the body, and their main functions are to filter lymph, remove bacteria and foreign bodies, and produce lymphocytes and antibodies. Under normal circumstances, the size of the lymph nodes is about 0.5 centimeters, and the texture is relatively soft. When abdominal inflammatory diseases, or abdominal tumor diseases occur, the lymph nodes in the corresponding areas will increase in size. If the patient’s mesenteric lymph nodes are within the normal range, there is no need to worry. If the size or number of mesenteric lymph nodes is abnormal, it is recommended that the patient consult a doctor in a timely manner, under the guidance of a professional doctor for examination, to clarify the cause of the disease, and follow the doctor’s instructions to give treatment to avoid aggravation of the condition.