Where can I complain? What is the most effective method?

The most effective way to complain about Qunar.com is through the Internet platform 123 15. The specific method is as follows:

Tools: Lenovo laptop e460, Windows 10 system, Google browser 12.0. 16.

1, first search into 123 15 official website.

2. Enter "Beijing Fu Na Information Technology Co., Ltd." in the search bar, and the first one is Qunar.com (address: Weiya Building, No.29 Suzhou Street, Haidian District, Beijing/Room KLOC-0/709).

3. Then click "Select Enterprise" on the right; Then click "Confirm".

Fill in your address, and then click "Submit".

5. Fill in the business information (note: the handling company fills in Haidian District), click "Submit" after filling it out, and then you will be prompted to succeed.