Ultrasound for stomach pain is not very helpful and is not able to diagnose internal stomach lesions, so it may not be able to detect the problem. Ultrasound is the use of ultrasound to check the body, which has the characteristics of safety and non-invasiveness, and mainly plays a role in checking human organs. It is suitable for the examination of liver, gallbladder, pancreas, spleen and abdominal cavity and other substantial organs, and also has better clinical significance for gynecological examination, urinary examination, body surface masses and lesions. The stomach is a hollow organ, and conventional ultrasound is not suitable for stomach examination. Especially after eating, the gas in the stomach will affect the penetration of ultrasound, and it is easy to be interfered by gastric peristalsis, which makes it impossible to diagnose the internal lesions of the stomach. Therefore, it is impossible to obtain valuable reference results in the clinical examination of diseases represented by stomach pain. In order to better play a role in diagnosing the disease, patients with stomach pain, it is recommended to carry out gastroscopy, gastrointestinal barium angiography or abdominal CT examination, to clarify the cause of the disease under the guidance of the doctor to carry out targeted treatment.