The accumulation of fluid in the intestinal space is often caused by the following factors: 1. abdominal cavity infection, when there is an infection in the abdominal cavity, there can be a lot of inflammatory exudate, or even purulent exudate, the above fluid will accumulate in the intestinal space, you need to go to the hospital to improve the relevant examination, such as blood routine, C-reactive protein, abdominal ultrasound, or abdominal CT, etc. for clarification. It may be caused by hypoproteinemia, when the body protein level is too low, it may cause fluid accumulation, then you need to actively eat nutritious substances, if necessary, you can also infuse nutritional fluids, transfusion of human albumin. 3, it may be caused by tumor factors, tumor will lead to fluid accumulation in the abdominal cavity, sometimes or The reason for this is that some patients are suffering from intra-abdominal bleeding.