Convenient auxiliary unlocking hole

The invention discloses a convenient auxiliary unlocking hole. The convenient auxiliary unlocking hole comprises a lock, illuminating devices, a temperature sensor, a processor, a battery and a control button. A key hole is formed in the unlocking position of the lock, the temperature sensor is connected with the illuminating devices through the processor, the illuminating devices are connected with the battery, the battery is connected with the control button on the side, in a room, of the lock, and the control button is connected with the temperature sensor. The illuminating devices are arranged on the lock hole of the lock, the key hole can be found conveniently in dark, a door is opened conveniently, the temperature sensor can turn on the illuminating devices for illumination simply by touching the lock hole, a key is inserted into the lock hole conveniently, and high practicality is achieved.