Adverse reactions (hazards) that may occur with puncture to release ascites include damage to blood vessels by improper operation, pain, infection in patients with poor immunity, and shock if the operation is performed too quickly. Reasonable under the guidance of the doctor, usually does not have too much harm, do not worry too much. Usually hepatitis, cirrhosis and other diseases will lead to the accumulation of fluid in the abdominal cavity, and can be punctured to release ascites. There may be damage to blood vessels during the puncture and even hematoma. There may be localized transient pain at the puncture site, sometimes radiating to the upper abdomen. Usually patients with more ascites will have anemia or hypoproteinemia, poor immunity of the body, and if disinfection is not thorough, infection, inflammatory reaction, or even abscess may occur. If the process of extracting ascites is operated too quickly, shock may occur. The doctor will strictly assess the patient’s physical condition before puncture and release of ascites, ultrasound guidance and other auxiliary means are constantly improving, generally there is no serious harm, do not worry too much.