Where can I take a bus from Haikou to Wuzhishan?

Go to Haikou South Bus Station. According to Baidu map, buses from Haikou to Wuzhishan take buses to Haikou South Bus Station, which is located at No.32 Nanhai Avenue in Longhua District (next to Zhongshan Hospital in Haikou). There are buses from Haikou South Bus Station to Wuzhishan. The earliest flight is 6: 30 in the morning and the latest flight is 17: 30 in the evening.