Pus from an umbilical hernia is usually due to secondary umbilical infection and requires aggressive treatment. Umbilical hernia is a common umbilical disorder caused by protrusion of the hernia sac through the umbilical ring. The incidence is higher in infants and can gradually decrease with age. Umbilical hernia mainly shows soft bulging or protrusion of the umbilicus, and can also be associated with severe pain, requiring prompt medical attention. In the case of umbilical hernia secondary to umbilical infection, pus may also be present. Therefore, after the diagnosis of umbilical hernia, if there is no contraindication, it should be actively carried out under the guidance of the doctor for surgical treatment, such as simple suture repair, patch repair, etc. After the operation, it is necessary to change the medication on a regular basis and apply ceftriaxone sodium, cefuroxime and other antibiotic treatment. Daily life need to pay attention to avoid increasing abdominal pressure, but also pay attention to the umbilical cleanliness and hygiene.