A method for master-subordination switching based on volume, applied in a wearable device, wherein the wearable device comprises a master earbud and a subordinated earbud, the method comprising: acquiring a first volume of the master earbud and a second volume of the subordinated earbud; calculating a first power consuming speed of the master earbud based on the first volume, calculating a second power consuming speed of the subordinated earbud based on the second volume, and determining a master-subordination switch strategy as performing switching or not performing switching between the master earbud and the subordinated earbud based on a sign of a difference value between the first power consuming speed and the second power consuming speed; and transmitting a master-subordination switch command to an electronic device connected to the wearable device based on the master-subordination switch strategy, wherein the master-subordination switch command is configured to instruct the electronic device to switch between the master earbud and the subordinated earbud, wherein the method is characterized in that, before the determining a master-subordination switch strategy as performing switching or not performing switching between the master earbud and the subordinated earbud, the method further comprises: acquiring a first historical volume of the master earbud and a second historical volume of the subordinated earbud; adjusting the first power consuming speed based on the first historical volume; and adjusting the second power consuming speed based on the second historical volume, wherein after the adjustment, a battery power of the master earbud and a battery power of subordinated earbud are balanced; and wherein the first historical volume is an average value of volumes of the master earbud occurring before the first volume; and the second historical volume is an average value of volumes of the subordinated earbud occurring before the second volume. acquiring a first volume of the master earbud and a second volume of the subordinated earbud; calculating a first power consuming speed of the master earbud based on the first volume, calculating a second power consuming speed of the subordinated earbud based on the second volume, and determining a master-subordination switch strategy as performing switching or not performing switching between the master earbud and the subordinated earbud based on a sign of a difference value between the first power consuming speed and the second power consuming speed; and transmitting a master-subordination switch command to an electronic device connected to the wearable device based on the master-subordination switch strategy, wherein the master-subordination switch command is configured to instruct the electronic device to switch between the master earbud and the subordinated earbud, wherein the method is characterized in that, before the determining a master-subordination switch strategy as performing switching or not performing switching between the master earbud and the subordinated earbud, the method further comprises: acquiring a first historical volume of the master earbud and a second historical volume of the subordinated earbud; adjusting the first power consuming speed based on the first historical volume; and adjusting the second power consuming speed based on the second historical volume, wherein after the adjustment, a battery power of the master earbud and a battery power of subordinated earbud are balanced; and wherein the first historical volume is an average value of volumes of the master earbud occurring before the first volume; and the second historical volume is an average value of volumes of the subordinated earbud occurring before the second volume. acquiring a first historical volume of the master earbud and a second historical volume of the subordinated earbud; adjusting the first power consuming speed based on the first historical volume; and adjusting the second power consuming speed based on the second historical volume, wherein after the adjustment, a battery power of the master earbud and a battery power of subordinated earbud are balanced; and wherein the first historical volume is an average value of volumes of the master earbud occurring before the first volume; and the second historical volume is an average value of volumes of the subordinated earbud occurring before the second volume.