Computer connecting interface card

The utility model relates to a computer connecting interface card. The utility model comprises a Bluetooth modular circuit and a converting circuit, wherein the Bluetooth modular circuit is provided with a USB interface and the converting circuit is provided with a computer bus interface and at least one USB port. Signal conversion between the computer bus interface and the USB port can be controlled, and the computer bus interface is electrically connected with a computer host machine. At least one bus interface is electrically connected with the USB interface of the Bluetooth modular circuit so that the computer connecting interface card can enable the computer host machine to receive and transmit a variety of information in the mode of wireless transmission of Bluetooth communication.