Small amounts of fluid in the abdominal cavity can be treated with oral diuretics, such as furosemide, spironolactone, and other drugs. In addition, it is more important to identify the cause of ascites and carry out treatment and disposal for the cause. The common causes of ascites are the following: 1, ascites is commonly found in the late stages of various liver diseases, such as advanced cirrhosis and liver cancer; also heart diseases, kidney diseases, vascular blockage diseases. 2, due to infection, infectious peritonitis is divided into bacterial, fungal and viral, this only requires anti-infective treatment, targeted antiviral, anti-inflammatory and antifungal treatment.