In the age of low-carbon economy, green power holds an important placement in the power supply. Therefore, in the low-carbon power market, establish continuous, stable, and high-efficiency green power market, and form scientific and reasonable long-term development mechanism of green power are of significance for large-scale and industrialization development. According to the current situation of power market and development object of renewable resources in china, this paper introduces renewable electricity policies in Europe, emphasizes a new policy-tradable green certificate system, and presents some practical advices of green power in china based on EU experience and national conditions.