In August 2010, Mr Zhang has come to many hospitals to see doctors for his repeated melaena and anemia, he has done various checking including gastrointestinal endoscope, but no lesions were found. At last he held the mentality of have a try and came to Clifford Hospital. We arranged him to do capsule endoscopy checking, then we found the hemopoietic focus position accurately, and guided the surgery completed successfully. Mr Zhang's postoperative recovery was good, and he finally got rid of problems like years of hematochezia and body weight loss.