Pain next to the navel may be physiological factors, but also may be the manifestation symptoms of obvious diseases, such as gastric lesions, intestinal obstruction, mesenteric lymphadenitis, etc., should be timely consultation to identify the cause. 1. Physiological factors: in the case of pain around the navel, it may be caused by bad habits, including improper diet, abdominal cold and so on. If you usually eat some spicy food or cold food, it may trigger the phenomenon of pain next to the navel. 2. Pathologic factors: (1) gastric lesions: if the symptoms of pain next to the navel, if accompanied by other digestive symptoms, including nausea, vomiting, diarrhea, constipation, etc., we should consider that it may be caused by gastric lesions, such as gastric ulcers, erosive gastritis and so on. (3) Intestinal obstruction: Intestinal obstruction is the most common and serious type of digestive tract disease, and it can cause pain next to the navel. (3) Mesenteric lymphadenitis: If respiratory tract infection occurs, there will be obvious cold and fever, and at the same time complicate gastrointestinal dysfunction, resulting in mesenteric lymphadenitis, which will also cause pain next to the navel. As this symptom alone can not determine the disease, and do not rule out other factors. It is recommended that the patient consult a doctor in a timely manner to clarify the cause of the disease and give targeted treatment.