After hiatal hernia surgery, you need to go to the hospital for review, including physical examination, abdominal ultrasound and other related tests. 1. Physical examination. A specialized surgeon can visualize and palpate the abdomen to check that there is no mass when lying down or standing up, and that the patient has recovered well. In some cases, it is not easy to observe the abdominal condition with naked eyes after hiatal hernia surgery, and further abdominal ultrasound examination is recommended. 2. Abdominal ultrasound. Do abdominal ultrasound to check the inguinal area for fluid and hernia sac recurrence, if there is no fluid indicates that the hiatal hernia did not recur, if there is fluid indicates that the hiatal hernia recurred or hernia again, it is recommended that early surgical treatment. If the physical examination reveals a recurrent hernia, the next step should be determined by medical advice.