The principle purpose of this article is to discuss about medical equipment power supply. Medical equipment can effort proficiently or not also has the connection with the power supply. The superiority of the power supply has a straight persuade on the solidity and consistency of the device. The reduced superiority even can cause medical accidents and economic defeat. The incorporated power supplies are used most, which output the dissimilar voltage through an integrated converter. The integrated kind has so numerous advantages, such as the low cost, high competence, adaptive voltage output, low noise and dynamic response.