The mobile phone anti-theft bracket is a device that fixes a smartphone in a specific position, aimed at preventing the phone from being stolen. It usually consists of a base and a bracket, which can be adjusted in angle to adapt to different usage scenarios. Mobile phone anti-theft device holders can be used in public places, such as restaurants, coffee shops, offices, conference rooms, etc. Users can place their phone on a stand and secure it with a locking device to prevent unauthorized removal of the phone. Some mobile phone anti-theft device holders also have a charging function, which can charge the phone while fixing it.