Short-term load forecasting precision directly affects the operation of the power system security, economy and power supply quality, the short-term load forecasting method makes a comprehensive comparison and analysis, points out the advantages and disadvantages of the short-term load forecasting model. Future prediction needs to be strengthened to historical data processing, an accurate estimate of the prediction model parameters, and actively explore new ideas and new methods for the prediction model, to meet the electricity market environment under the on load forecast put forward new requirements and endowed with new connotation, and in practice should be make the flexibility in the choice of prediction model according to the specific characteristics and influencing factors of local short-term load.