Women with hard lumps above the navel are usually caused by constipation, digestive system diseases, gastrointestinal tumors and gynecological-related diseases, as follows: 1, constipation caused by indigestion, the digestive function of the intestines and stomach is reduced, can not digest and absorb the diet eaten in a timely manner, the intestinal contents can not be discharged from the body in a timely manner, you will feel hard lumps above the navel. 2, digestive system diseases, common intestinal obstruction, acute and chronic 3. benign and malignant tumors of the gastrointestinal system, benign tumors are movable, less harmful and only produce pressure on the surrounding tissues; malignant tumors are more harmful, usually accompanied by fever, weakness of the limbs, loss of weight and other symptoms. 4. for women may also be gynecological-related diseases, common cervicitis, adnexitis, uterine fibroids, ovarian cysts, accompanied by menstrual irregularities and leucorrhea abnormalities.