The right side of the epigastric pain but ultrasound did not appear abnormal, most likely because the right side of the epigastric not organic lesions, only minor soft tissue abrasions and mild inflammation, such as local skin broken skin, appendicitis and enteritis and so on. 1. Localized skin breakdown: If the skin on the right side of the epigastric region is accidentally bumped, cut and rubbed, resulting in localized skin breakdown, and the area is not large. The patient will only feel a slight pain in the right side of the upper abdomen, but the ultrasound examination does not show any abnormality. 2. Appendicitis: the appendix lumen is rich in microorganisms, the intestinal wall is rich in lymphatic tissue, easy to get infected, thus forming appendicitis, if the degree of inflammation is mild, the patient will have pain in the right side of the epigastric region, but ultrasound results show that there is no abnormality. 3. enteritis: the condition is not too serious enteritis attack, because of pathogens and inflammatory factors of stimulation, can lead to mild spasm of the intestinal tract, thus causing the right side of the epigastric pain, but color ultrasound examination does not show abnormalities. If the right side of the epigastric pain need to timely consult a doctor to clarify the cause of the disease, so as not to delay the condition.