In the daily pediatric clinic, basically, we see small children with abdominal pain. The child says that the pain around the umbilicus can be mild or severe, it can appear before or after meals, and very rarely the child has fever. How is it diagnosed? You can do a blood test, a PPD skin test, but most importantly, an ultrasound of the abdominal lymph nodes. Generally, tuberculous lymphadenitis is ruled out, and in terms of etiology it is mostly a viral infection, and ultrasonography reveals multiple lymph nodes of various sizes around the mesentery. As for whether to do abdominal CT or MR, I think we should not rush to do these two tests. The company’s main business is to provide a wide range of products and services to its customers, such as the following: 1) Anti-viral treatment, you can take the oral tablet, or Ribavirin granules, the course of treatment for five to seven days. 2) Give the child to eat clear heat and detoxification of Chinese medicine, such as Pudilan anti-inflammatory oral liquid, or Chai Yin oral liquid, or fishy grass granules, the course of treatment can be used for two weeks. 3) Antispasmodic treatment, you can eat the abdomen can be an or Drota for Lin, or the umbilical cord external application of wind repellent oil, twice to three times a day. It is also necessary to improve the resistance by taking oral pidomod oral solution or dried splenomidine powder. The prognosis of mesenteric lymphadenitis is good, and the clinical symptoms will resolve by the time the child grows up to the age of eight.