Five years ago, the research of electricity market mainly focused on the following aspects: market transaction mode, game competition mode and load forecasting. To put it bluntly, they are all playing mathematics, and the market trading mode is mostly to summarize papers. There are few practical things. Now, with the advancement of electricity reform, many reefs that have never been seen before have also exposed sharp corners. Design of internet access fee framework. After reading the design of Internet access fees in the Netherlands, Eastern Europe, North America and other miscellaneous countries, they all have different places and are very distinctive. The four-parameter adjustment method used in Holland is very interesting. The subjective initiative of users is still very strong. Some regional power companies will let users make their own electricity consumption forecasts (something to encourage and reward). Finally, the statistical electricity consumption forecast is more accurate than Kalman filter and artificial neural network research. ....