The invention relates to a wireless visual guide core for tracheal intubation, which comprises a catheter core, wherein the left end of the catheter core is provided with a miniature camera; the left end of the miniature camera is provided with a feathering lens; the right side of the feathering lens is connected with a light source LED; a signal line is connected to the right side of the miniature camera; a protective coating is arranged on the outer side of the catheter core in a surrounding manner; the right end of the catheter core is connected with a handle shell; a wireless transmission circuit is arranged at the left side inside the handle shell and is connected with the signal line; the right side of the wireless transmission circuit is connected with a power management module; the right side of the power management module is connected with a rechargeable lithium battery; the right side of the rechargeable lithium battery is connected with a switch and a charging plug; and a transmitting antenna is connected on the upper side of the wireless transmission circuit. The wireless visual guide core has the advantages of light weight, flexibility, convenient operation, low tracheal intubation difficulty, simple structure and good flexibility.