The right abdomen of a normal person is as bulging as the left abdomen. Under normal circumstances, the right and left sides of the body’s abdomen show symmetry, and it is an abnormality if the right abdomen is more bulging than the left. Common causes are as follows. 1. Abdominal space occupation: such as giant liver cancer, giant teratoma of right ovary, etc., the more obvious abdominal sign is that the right abdomen protrudes more than the left one, and abdominal ultrasound and other examinations can help diagnosis. 2. Constipation: it is a more common and complicated symptom in daily life, constipation can cause dry stools and continue to accumulate in the large intestine, which will easily lead to the right side of the abdomen is more bulging than the left side, and the right side of the abdomen looks bigger than the left side. 3. Chronic enteritis: Chronic enteritis will not only cause abdominal pain, but also lead to intestinal swelling and gas production, resulting in the right side of the abdominal bulge, which makes the right side of the abdomen appear larger. In addition, there are other reasons that can lead to the patient’s right abdomen than the left abdominal bulge, it is recommended to go to the regular hospital in time, after clarifying the cause of the disease, targeted treatment under the guidance of the doctor, in order to reduce the adverse effects of the disease.