Under the market economy condition, because of competition day by day turn worse of the risk, accountancy place of objective economy environment of indetermination's degree more and more Gao, the accountancy be indetermination existence, mean risk of existence, the careful sex principle in the accountancy work be what people adopt to get around risk, protection oneself of a kind of method.This text main elaborate the concept of careful sex principle and basis, concrete application and at along with accounting system thorough development should attention of problem.纯属手打和自己翻译,给个辛苦分了啊