Dunhuang DangHe style line night view lighting project won the award for fifth terms as lighting engineering design good nomination declare units: tianjin CLS electronics technology engineering co. , LTD. Party theme and style line is a typical northern garden, lighting to build regional characteristics, reflecting the broad cultural features of dunhuang, tries hard to reflect combination of dynamic and static state, in the lighting and brightness and colour contrast, ignite the passion and dream of city, the overall style is summarized as: 1, the continuation of historical context, the pursuit of elegant cultural taste; 2, highlight the characteristics of river system, show pleasant nature open; 3, describe key square, create a warm and quiet harmonious atmosphere. This case lighting design includes: 1, the Banks of the river landscape pavilion lighting style localization 'becomes' han 2, walk in the water area lighting style positioning 'water lotus' 3, lighting style localization 'surge of passion' 4 months of spring square, what side dam case lighting design positioning 'leisure refined taste' 5, the white tower bridge lighting design positioning 'grand glory' 6, party hexi bridge lighting design positioning 7, light sketch schematic DangHe located SuBei county territory of dunhuang city, gansu province, dunhuang people's river originated in qilian mountain has been the only ground - DangHe considered life river, the mother river of the development of life. DangHe style line is one of the important landscape through the dunhuang city line, through the city like a silver ribbon, embedded in the ancient city of dunhuang. Combined with the present situation of urban river, DangHe reservoir and the present situation of irrigation district, adopt the method of rubber dam and dam space layout, building two flowing them, two rubber dam, three existes, build ecological wet walking area, storage area, the water, boating, recreational areas, such as those six function areas. In order to form the dynamic of the water, from DangHe DangHe irrigation area water diversion of the main canal of the right to enter the urban river, in DangHe formed in the urban area of river water, increase the sensitivity and cultural connotation of the city. According to the present situation of river by green belts to build pedestrian platform, for visitors to wade, paddle, near the water to watch the natural landscape. Dunhuang in gansu, qinghai and xinjiang provinces ( Area) Intersection, the population of more than 180000, the city's economy is mainly on agriculture, tourism services, for dunhuang once glorious and is famous for its extensive and profound cultural connotation of the world. The case through the light and shadow to DangHe style line reconstruct night vision, makes every effort to show the brilliant and dunhuang culture, regional characteristic of dunhuang people's entertainment, leisure, to provide a good platform, also make the tourists a more comprehensive understanding of dunhuang, so as to drive regional economy.