Right upper abdominal pain ultrasound did not appear abnormal cause, there may be chest wall diseases, abdominal cavity diseases can not be detected by ultrasound examination, need further examination can be clearly diagnosed. 1. Abdominal wall diseases: such as lumbar muscle strain, costochondritis and intercostal neuralgia, these symptoms may cause right upper abdominal pain, but can not be shown by ultrasound. 2. Intra-abdominal diseases: such as right lower pleurisy, gastritis, colitis and gastric ulcer, etc., these peripheral organ tissue lesions can also induce abdominal pain, but can not be shown by ultrasound. Therefore, the right upper abdominal pain ultrasound did not appear abnormal patients, may need to receive further examination, in order to clarify the cause of the disease, to facilitate targeted treatment.