The invention discloses a voice instruction execution function awakening method. The method comprises the following steps of acquiring voice information sent by a sound source object; analyzing the voice information by using a model, determining whether the behavior of the voice information sent by the sound source object is an awakening behavior or not according to whether the volume change trendof the voice information is a preset change trend or not in the condition that the voice information is determined to have an awakening word; and awakening the voice instruction execution function ofthe electronic equipment when the behavior of the voice information sent by the sound source object is the awakening behavior. The invention further discloses a voice instruction execution function awakening device and the electronic equipment.