The invention discloses a high-
voltage business expansion overall process management and 
control system of power marketing, and relates to a management and 
control system. Business expansion management work is one of the traditional core businesses of a power supply enterprise, the work developing and finishing situation of the business expansion management work directly affects the brand image and the 
client service level of the power supply enterprise, and a situation that the business expansion management work is manually carried out can not meet development requirements along with the increase of data. The high-
voltage business expansion overall process management and 
control system comprises a 
workbench function application module, a project plan management module, a 
project execution management module, a 
project tracking management module, a mobile terminal 
synergy APP (Application) module and a 
project analysis management module. The technical scheme is cooperated with a management responsibility to develop a business expansion multi-department united cooperative flow and establish a projectized plan management mechanism, a traditional business expansion mode is optimized and improved to develop the overall process management and control of each link of the high-
voltage business expansion and realize 
milestone node management so as to shorten the power 
connection time of a 
client, improve the volume 
completion rate of the high-voltage business expansion and the 
client review 
satisfaction rate of the high-voltage business expansion.