Tongcheng is not a cottage Ctrip. Tongcheng has nothing to do with Ctrip. Tongcheng Tourism is a company jointly funded by Tongcheng.com and Yilong.com under Tongcheng Tourism Group on February 29th, 20 17+65438. Ctrip Group is a large domestic travel website, established in 1999 and headquartered in Shanghai. Its business scope covers hotel reservation, air ticket reservation, holiday reservation and other fields.