A 50-year-old woman with hidden pain around the navel may be associated with enteritis, intestinal parasitic infections, mesenteric lymphadenitis, chronic gastritis, appendicitis and pelvic inflammatory disease, but also may be associated with intestinal tumors, and need to consult a doctor in time to find out the cause. 1. Enteritis: Due to various reasons such as cold abdomen or improper diet, the intestinal mucosa becomes congested and edematous, and abdominal pain around the umbilicus will appear in the clinic, which will be accompanied by changes in stool characteristics, such as thinning of stools and increased frequency of stools, and so on. 2. Intestinal parasitic infection: when parasitic infection occurs due to improper diet or lack of attention to hygiene, abdominal pain around the umbilicus may occur in the clinic, accompanied by vomiting and abdominal distension. 3. Mesenteric lymphadenitis: When mesenteric lymph nodes are enlarged due to bacterial or viral infections, abdominal pain may occur in the clinic, and children are the most common people, but adults can also develop the disease. 4. Chronic gastritis: when the gastric mucosa is damaged due to various reasons, abdominal pain will also be manifested in the clinic, most people will manifest the pain in the upper abdomen, but some people will also manifest the pain around the umbilicus or above the umbilicus. 5. Appendicitis: appendicitis is an acute infectious disease, in the early stage may be manifested as pain around the umbilicus, with the progression of the disease will be metastatic caused by the right lower abdominal pain. 6. Pelvic inflammatory disease: Due to the infection of women’s upper reproductive organs and the surrounding area, abdominal pain may also occur. 7. Hidden pain around the navel, may be related to intestinal tumors and other malignant diseases, need to consult a doctor in time to find out the cause. Due to a variety of causes, the specific situation needs to be analyzed under the guidance of the doctor in combination with other clinical manifestations.