To determine whether there is ascites can be judged from the physical examination of the visual diagnosis, percussion and imaging examination and other ways of comprehensive judgment. 1. Visual diagnosis: the whole abdomen can be observed to have bulging during visual diagnosis, and it can also be manifested as the liquid sinking on both sides of the abdominal cavity when lying down, resulting in the abdomen showing a flat and wide manifestation, i.e. frog abdomen. In the sitting position, the lower part of the abdomen can be seen to be distended. 2. Auscultation: when taking the lying position, both sides of the abdomen show turbid sounds, and when taking the lateral position, the fluid accumulates in the lower part, causing the lower side of the abdomen to become turbid; from the level of the middle of the abdomen of the patient, start to knock to the left side to the turbid sound, and then ask the patient to take the right position, and then knock again to the original part of the drum sound, which means that turbid sounds lead to the movement of turbid sounds, and this turbid sound movement caused by the change of position is the positive turbid sound of the mobility. 3. Imaging: abdominal ultrasound, abdominal CT and other methods can also help determine the presence of ascites. Patients who are suspected of having ascites can go to the hospital and ask the doctor to make a judgment.