Design Background: Notebook computers will become very hot after being used for a period of time, which will greatly affect the performance of computers. Moreover, the design of notebook computers on the market shows a lightweight trend, with fewer and fewer external sockets. Many users are troubled by the inability of computers to connect more devices. Design content: 1. While providing heat dissipation for the notebook, it also provides an angle that conforms to the man-machine, allowing users to work healthily. 2. Provide more data transmission interfaces for laptops to solve the problem that users' computers cannot connect to more devices.