The invention provides a method and device for label production based on electricity marketing data. The method comprises the steps that users' attribute data, electricity use behavior data, transaction behavior data and contractual ability data are collected; incomplete data, abnormal data and repeated data in the electricity marketing data are cleaned; and labels are produced according to the electricity marketing data obtained after cleaning, and user portrayals can be further generated. The method and device for the label production based on the electricity marketing data provided by the invention have the advantages that data characteristics are extracted, the data scale is reduced, data value density is increased, and the method and device can be widely applied to increase of company management efficiency, optimization of electricity user services, auxiliary decision making of governmental departments and sharing of electricity data transactions; and the users' characteristics can be known based on the electricity marketing data by multiple contact points and multiple channels in a multi-dimensional manner, the users' portrayals can be presented in a stereoscopic and omnibearing manner through intelligent value distribution, weight distribution, time attenuation and other manners, potential risks can be prevented, and data asset values of the electricity users can be excavated fully.