It is possible to have an increase in body temperature after liver cystocentesis surgery. It is possible to have a rise in body temperature after liver cyst puncture surgery. Fever is the most common symptom after surgery, with about 72% of patients having a temperature above 37°C and 41% above 38°C. Generally speaking the body is traumatized, due to the body’s immune stress mechanism there will be a stress fever, which is normal, but there may also be absorption fever caused by the body’s bleeding, which is also normal. If we exclude the stress fever and absorption fever, it may be the fever caused by secondary infection after surgery. If the fever is caused by this kind of situation, it can be clarified by perfecting the examination of blood routine, and it can be treated with reasonable medication.