Patients with ascites of liver cancer can sit in semi-recumbent position more comfortably. As ascites of liver cancer is mostly formed due to infiltration of peritoneum, pressure on portal vein, formation of cancer thrombus in portal vein or hepatic vein, hypoproteinemia and combination of cirrhosis, etc. The appearance of ascites usually indicates that the condition has been more serious and the patients are more weak or have difficulty in moving, it is more comfortable to sit in semirecumbent position in daily life, and the benefits and reasons are as follows: 1. effectively alleviate the dyspnea caused by excessive ascites, reduce the squeeze on the lungs, reduce pulmonary bruising, increase lung capacity, and facilitate normal respiratory circulation. 2. Reduce the burden on the heart, due to the reduction of venous return blood volume and can reduce the burden on the heart. 3. Ascites flow into the pelvis, which can reduce inflammatory stimulation, confine inflammation and reduce or prevent the occurrence and widespread of peritonitis. Liver cancer ascites patients need to adhere to good living habits, regular diet, appropriate exercise, combine work and rest, maintain a positive mindset, and pay attention to controlling the daily intake of normal drinking water.