Monday to Sunday from 06: 00 to 22: 00. According to the inquiry, Doubletree by Hilton Chengmai official website shows that the hotel is located in the back garden of Haikou City, Chengmai County, Hainan Province, which is known as the "hometown of longevity in the world". It is 35 minutes' drive from meilan airport, 40 minutes' drive from downtown Haikou, 30 minutes' drive from the International Convention and Exhibition Center, 5 minutes' drive from the old high-speed rail station around the island and Fushan Station/KLOC-0, and 20 minutes' drive from Hainan Free Trade Port Ecological Software Park.