Abstract: Through the 5G mobile network technology, Internet and other advanced technology, combining internal network and external network to control the personnel safety of the electric power marketing field, it greatly lightens the burden of the guardian in the process of marketing field operation, and realizes the paperless marketing field operation. However, the practice has proved that the non-standard signature phenomenon of the three types of people on the marketing field operation has not been substantially simplified after the introduction of the operation platform, signature errors are common. In order to solve this non-standard phenomenon, the electric power marketing field operation platform based on the face-recognition is introduced. The practice shows that the introduction of the face-recognition technology has greatly reduced the number of non-standard signature work orders by the three types of people. And the non-standard signature rate has greatly decreased from 35% to about 15% , it can improve the standardization level of marketing field operation to a certain extent.