The white color of the mucosal foci on the side of the greater curvature of the lower part of the gastric body may be due to diseases such as chronic gastritis and gastric ulcer. Normal gastric mucosa is light pink in color with smooth surface and good elasticity. When gastric ulcer, gastritis and other diseases occur, due to inflammation or bacteria and other stimuli, will cause mucosal breakage, at the same time, there will be different degrees of atrophy, in the gastroscope, can be seen in the local gastric mucosa becomes white. Submucosal blood vessels can also be seen in some lesions. When the above symptoms appear, drugs such as omeprazole and bismuth potassium citrate can be taken for intervention; for those who have clearly confirmed the existence of Helicobacter pylori infection after examination, antibiotics such as amoxicillin and clarithromycin can be added to eradicate Helicobacter pylori. The above drugs should be used under the guidance of professional physicians. It is recommended to go to the hospital in time to see a doctor to clarify the cause of the disease under the guidance of a professional physician.