A distended and hard stomach after a painless abortion is usually normal, but it is not normal if it is accompanied by significant abdominal pain and other discomforts. Painless abortion is a surgical procedure under intravenous anesthesia to terminate an early pregnancy up to 10 weeks of age, to be performed by a professional doctor. During the operation, negative pressure suction equipment is used to scrape the uterine cavity and hysteronin is given to promote contraction therapy, so there will be a feeling of stomach distension and hardness after the operation, which is generally normal. However, if it is accompanied by obvious abdominal pain and other discomforts, it is not normal and requires prompt medical attention. Abortion surgery will occur when bleeding, uterine perforation, incomplete suction, infection and other complications, and cause postoperative abdominal pain, but also may have a long period of vaginal bleeding, fever and other abnormalities, need to go to the hospital in a timely manner, and ultrasonography, blood tests, etc. to identify the cause as soon as possible, and timely and active treatment. When the stomach is distended and hard with obvious abdominal pain after painless abortion in the clinic, it is necessary to go to the hospital in order to find out the cause and actively deal with it.