Lanshan district, Linyi City is located in the southeast of Shandong Province, at the intersection of north and south in the east of China and in the middle of the Yangtze River Delta and Bohai Rim economic zones. It is the seat of Linyi municipal government and the political, economic, cultural and commercial center of Linyi city. In 20 13, there were 4 streets, 7 towns and 1 industrial park in lanshan district with a total area of 839 square kilometers.

Lanshan district has a long history and culture. It was founded in 492 BC and has a history of more than 2,500 years. It is a key historical and cultural city in Qilu. The Bamboo Slips Museum of the Han Tomb, where Sun Tzu's Art of War was unearthed, is the hometown of Wang Xizhi and Wang Xiang, famous calligraphers and military strategists Yan Zhenqing and Min Ziqian. Known as "the ancient city of southern Shandong is beautiful and Langya is a celebrity". ?

Lanshan district has a semi-humid continental climate in the warm temperate monsoon region, with abundant sunshine and rainfall, suitable climate and distinct four seasons. In spring, the temperature rises quickly, there is little rain, and the air is dry and windy. Summer is hot and humid, and the rainfall is concentrated, which is the season with the most precipitation in the whole year. In autumn, the temperature drops rapidly and the precipitation variability is large. Winter is cold and dry, rain and snow are scarce, and the cold period is long. The average annual precipitation is 790-920mm. The annual average temperature 13.3℃ is the highest in July and the lowest in 1 month. Ground temperature 15.3℃, sunshine hours 2357.5 hours, sunshine percentage 55%. The average frost-free period is 202 days. There are many northeast winds in spring, north winds and northeast winds in autumn and winter, and east winds and southeast winds in summer. The annual average wind speed is 2.6m/s, and there is a gale of magnitude 8 or above in 20 days.