Mesenteric lymphadenitis may be caused with bacterial infection, tuberculosis, virus, which can be treated by taking antibacterial, anti-tuberculosis, anti-virus drugs. 1. Bacterial infection: mesenteric lymphadenitis is usually caused by bacterial infection, resulting in gastrointestinal discomfort, patients with headache, abdominal pain, nausea, vomiting, etc. Antibiotic treatment can be given for bacterial infection, such as levofloxacin hydrochloride, amoxicillin capsules, and analgesic drugs such as scopolamine, to relieve the patient’s abdominal pain. 2. Tuberculosis: The human body is infected by tuberculosis bacillus, which will invade the mesenteric lymphatic vessels and cause inflammation of lymph nodes, and the patients may have abdominal pain, low fever, weakness and other phenomena, and clinically, isoniazid and streptomycin are often used in combination therapy, which can inhibit the proliferation of tuberculosis bacillus in the intestinal tract, and alleviate the symptoms of inflammation in the lymph nodes. 3. Viral infections: mesenteric lymphadenitis is often caused by viral infections, patients with mild diarrhea, abdominal pain, clinically often take antiviral drugs, such as ribavirin, acyclovir, to inhibit the growth of the virus, and promote the recovery of the infection. Mesenteric lymphadenitis patients with medication, should be strictly under the formal guidance of the doctor.