Chinese peak valley power load gap is increasingyear by year. Demand side resources can achieve the goal of peak cutting and valley filling by participating in demand response. Demand response can be divided into price based response and incentive basedresponse,whichguideuserstoadjusttheirelectricitycon sumption behavior through price mechanism and incentive measuresrespectively. Demand response practices in the United States andEurope are market oriented obviously, and some provinces in Chinahave also carried out demand response practices. Users can avoidparticipating in the market by the demand response score scheme directly, including price based and incentive score schemes. Price based score scheme gives positive scores to users in the peak loadperiod and negative scores in the low load period；incentive basedscore scheme gives positive or negative scores according to whetherthe response is successful or not. The score scheme adapts to the ini?tial stage of the power system reform. It is conducive to the formation of a good interaction between the power grid and users and construc?tion ofubiquitouspower Internetofthings.