Abstract: Electric power marketing digital service system based on intelligent wearable equipment can carry out implicit field service without sensitivity to improve service experience of electricity customer Working personnel can get more convenience with the help of wearable smart to make service high efficiency, pertinence and accuracy The real-time and security performance of field service can be improved by 5G private network technology for electric power Application of this system changes the traditional mode of field service and provides better service experience without perception or sensitivity, achieving the information interaction between working personnel and back-end electric power marketing database, which meets the requirements of gird digital construction and promotes sense of gain and satisfaction of electricity customers to continuously optimize business environment