In liver function normal person liver excision quantity does not exceed 70 % ; the person that liver cirrhosis is spent in does not exceed 50 % , or can make only left half liver excision ; serious liver is sclerotic person cannot make liver leaf excise 在肝功能正常者肝切除量不超过70 % ;中度肝硬化者不超过50 % ,或仅能作左半肝切除;严重肝硬化者不能作肝叶切除。