According to Baidu map query, the distance from Kunshan to Suzhou is 48.9 kilometers, passing through Changjiang Middle Road and Beijing-Shanghai Expressway. Kunshan, called Lucheng in ancient times, is a county-level city under the jurisdiction of Jiangsu Province and is under the management of Suzhou City. It is a pilot city directly under Jiangsu Province and a second-class big city. Located in the southeast of Jiangsu Province, between Shanghai and Suzhou, it borders Changshu and Taicang in the north to northeast, Jiading and Qingpu in Shanghai in the south to southeast, and Suzhou and Wujiang in the west. It belongs to the Taihu Plain in the Yangtze River Delta and the monsoon climate in the south of the north subtropical zone. Kunshan has a history of more than 2,200 years since the Qin Dynasty. In the third year of Nanliang Datong (536), Lou County was renamed Kunshan County. 1989, the State Council approved the withdrawal of Kunshan from the county to establish the city. Kunshan is the birthplace of Kunqu Opera, the "ancestor of hundreds of operas", and was awarded the UN Habitat Award as the first batch of "national ecological garden cities". It has been rated as one of the top 100 counties and cities with comprehensive strength in China, one of the top 100 counties and cities with green development in China and one of the top 100 counties and cities with new urbanization quality in China.