Lincang is about1500m above sea level. This altitude is considered as the "golden altitude" which is particularly beneficial to human health, making lincang cool in the hottest time of the year, with excellent air quality, and maintaining a relatively stable temperature of about 20 degrees in the cold season, which is very suitable for providing for the elderly, especially for the elderly. Lincang is a prefecture-level city under the jurisdiction of Yunnan Province, located in the southwest of Yunnan, bordering Pu 'er in the east, Dali in the north, Baoshan in the west and Myanmar in the southwest. It is located between Lancang River and Nujiang River, so it is named because it is close to Lancang River. It is a land shortcut from Kunming to Yangon, Myanmar, with three state-level open ports, 19 trade passages, 13 border trade points and five highways connecting Myanmar.