Control system for realizing startup/shutdown and switching between internal equipment and external equipment through keyboard hot keys

The invention discloses a control system for realizing startup/shutdown and switching between internal equipment and external equipment through keyboard hot keys. The control system comprises a switching control single chip, a startup/shutdown control system and a switching control system, wherein the startup/shutdown control system and the switching control system are connected with the switching control single chip; the switching control single chip is connected with a USB keyboard through a USB output interface; the USB keyboard releases a control signal; the switching control single chip correspondingly executes the startup/shutdown control system and the switching control system according to the received signal; and the switching control system consists of a display switching control system and a USB output switching control system. Through above manner, startup/shutdown can be carried out on hosts through the keyboard, and the internal equipment and the external equipment can share a set of keyboard and