Cervical vertebra protection device based on intermediate frequency current

The present invention discloses a cervical vertebra protection device based on an intermediate frequency current. The device comprises a U-shaped pillow body, one end of the U-shaped pillow body is provided with a host generating a current, the host is connected in parallel with multiple mutually matchingly connected electrode slice sets through wires, each electrode slice set comprises positive and negative electrode slice, the electrode slice sets are installed on autohension silica gel balls which are in one-to-one correspondence with the electrode slice sets, are uniformly distributed at the inner side of the U-shaped pillow body and are fixedly connected with the inner wall of the U-shaped pillow body, the autohension silica gel balls are internally provided with heating elements, a power supply electrically connected with the heating elements, the autohension silica gel balls are internally provided with cavities filled with heating mediums, the heating ends of the heating elements are located in the ca