The construction of the Grand Canal Belt is the focus of the construction of the sub-center of Beijing city. This plan systematically sorts out the core issues of the current situation of the Grand Canal, and summarizes eight system designs, namely, creative vitality, Inherit cultural context, through greenway, bridge increase, waterfront reconstruction, construction control, hot spot addition and improve greenery. To create a 24-hour dynamic center, an urban living room showing charm in an all-round way, and a coherent and pleasant blue and green space across the system are three highlights.