A vertical, hard, long strip above the belly button is considered a possible cause of a white line hernia. White line hernia is caused by increased intra-abdominal pressure or abdominal distension, the tendon fibers located in the white line is torn, the abdominal contents can be protruding outward to form a hernia, the contents of the peritoneal fat and its inclusion of intra-abdominal tissues, such as the greater omentum and so on. White line hernia can be formed in the early stage of no obvious symptoms, and hernia block is small and not easy to be found, this time may not have to be treated; when the hernia content further outward protrusion, can be due to the abdominal muscle is pulled and abdominal pain, the patient symptoms are obvious in the perfect abdominal examination, such as ultrasound of the abdominal surgery is feasible to treat, excision of hernia sac, suture defects. Therefore, when the umbilicus appeared above the hard long strip and abdominal pain and other related symptoms should be timely perfect abdominal examination such as abdominal ultrasound, and further treatment. If the symptoms are not obvious, you can observe on your own, and go to the hospital at any time if you feel unwell.