Hidden discomfort in the stomach may be caused by the following: 1, gastrointestinal problems, such as acute or chronic enteritis, gastrointestinal dysfunction or intestinal spasm, intestinal obstruction, intestinal adhesions, etc. 2, gynecological problems, female patients must suspect that there is no dysmenorrhea, endometriosis, which are more obvious in the first one or two days of the first menstrual period; it is possible that the pregnancy or gynecological inflammation, acute or chronic pelvic inflammatory disease can occur. Pregnancy or gynecological inflammation, acute or chronic pelvic inflammatory disease will appear in the small stomach hidden discomfort. 3, men’s prostate problems, such as prostatitis or prostate hyperplasia, will also appear in this place of discomfort. 4, inflammation of the bladder, in addition to the presence of small abdominal discomfort, there will also be frequent urination, urinary urgency, urinary pain and other symptoms.