What does it mean that hotel wifi needs mobile phone number verification?

As long as the wifi hotspot network you are connected to is chinanet, you need to enter your mobile phone number and get the verification code of SMS before logging in. There is a charge for connecting to this wifi network. This wifi network is safe and risk-free.

You should have registered your mobile phone number when you checked in. Hotels will also prevent people other than customers from surfing the Internet. If you are afraid of insecurity, you can surf the Internet yourself. Nothing can be satisfactory when you are away from home.