A programmable controlled computer switch is disclosed. Console devices and universal serial bus devices of the computer switch can be switched as having a controlling function or a hub function. The computer switch includes a console port interface having console ports for connecting console devices, which initially have a controlling function; a universal serial bus hub port interface having hub ports for connecting universal serial bus devices, which initially have a hub function; plural computer interfaces having a computer port respectively for connecting a computer device; a matrix switching circuit connected to the console port interface, the universal serial bus hub port interface and the plural computer interfaces; and a main controlling circuit connected between the matrix switching circuit and the plural computer interfaces.