Power supply company has accumulated massiveamounts of date in the daily business.To fully tap the value of dataand provide high value large data operation services to various usersare important means for power supply company to compete in theelectricity market under the opening electricity retail side.Based onthe goal of locating large data operation service users, this paper ana.lyzes the service requirements of different users, and explores theservice contents of the users, which helps power supply company toimprove customer satisfaction, expand profit channels, enhance thecompetitiveness of the sale of electricity market.