The pain in the stomach at three or four o’clock in the evening may be caused by the cold abdomen, peptic ulcer, gallbladder stones and other factors. 1. Abdominal cold: usually due to eating cold drinks before going to bed, or abdominal cold, which affects the blood circulation in the abdomen, inducing the stomach smooth muscle spasm, resulting in the phenomenon of three or four o’clock in the evening stomach ache. 2. peptic ulcer: mostly occurring at night, may be due to dietary factors such as unhygienic, and then the Helicobacter pylori bacteria to make the body infected, resulting in three or four o’clock at night stomach pain. 3. gallbladder stones: clinically, the stomach and gallbladder is adjacent to the relationship, in the sleep, the body position in the case of change, the stone will be displaced to lead to embedded in the gallbladder duct, and then produce the feeling of three or four o’clock in the evening stomach pain. If you have a stomach ache at three or four o’clock in the evening, you should go to the hospital in time, to clarify the cause of the disease, standardized treatment.