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With the unceasing rising consciousness of energy and environment, the demand of electrical power grid safe and steady running, as well as the requirement of high quality and reliable power supply for consumers, smart grid has been a common aim of power electric development of the whole world. The power grid in Sichuan of China is an extraordinary characteristic regional grid in the world wide. Undertaking smart grid research and implementation in Sichuan is necessary and of great foundation, and also processes practical significance for safe and stabilization of national power grid, optimization of national energy structure, and etc. In the paper, first of all, according to various definitions of smart grid in the world wide, the author's understandings of conception of smart grid are expatiated. And then the status of worldwide smart grid development is introduced and the enormous challenges which Chinese power enterprises are facing is analyzing, though which the inspiration of developing smart grid in China can be gained. At last, the status and characteristics of Sichuan power grid is also briefly introduced, and several suggestions in various aspects for Sichuan smart grid construction is prospected.