the internal control of cost and expense in accounting is to monitor various of factors forming from cost and expense with strict criteria to be prepared in advance, find deviation and correct it by taking methods so that the consumption and cost in the process of production could be limited in a standard trange. In this article, the cost of current situation and problems in cost expense in the internal accounting controls were analysed, while the esisting difficulties were discussed, and the measurement of improving control of internal accounting and cost were raised.