The invention relates to an urban building LED profile lamp decoration control system. A profile lamp decoration system such as a high-rise building, a building, a road and a highway interchange in city are used for drawing beautiful night scene in the city. The urban LED profile lamp decoration system can be divided into a plurality of districts, each district is provided with a district controller, communication between a profile lamp controller and the district controller is achieved by a power line, the district controller is connected to a mobile wireless communication network by a 4G wireless route, and a manager employs a mobile phone, a computer and handhold mobile equipment to understand and control running of each district LED profile lamp decoration control system.