Lymphadenitis enterocolitica is generally referred to as mesenteric lymphadenitis. Common symptoms of mesenteric lymphadenitis include fever, abdominal pain, nausea and vomiting. It can be treated by drugs (such as amoxicillin, etc.). 1. Symptoms: (1) Fever: Patients with mesenteric lymphadenitis will have fever in the early stage. (2) Abdominal pain: Abdominal pain is often paroxysmal colic or vague pain, the pain can last for several hours, the common site is in the periumbilical region or the right iliac fossa, and there may be metastatic right lower abdominal pain. (3) Nausea and vomiting: a few patients may have nausea and vomiting and other symptoms. 2. Treatment: If it is bacterial infection, drug sensitivity test can be carried out, and according to the result, antibiotics can be selected for treatment under the guidance of doctor, such as cephradine, amoxicillin and so on. If the infection is viral, you can choose ribavirin and so on. During the treatment period patients should ensure good sleep, avoid spicy and stimulating food, overeating. Mesenteric lymphadenitis should go to the hospital in time, under the guidance of the doctor’s active treatment, to avoid delaying the condition.