A combination hat and earphone assembly includes beanie hat having two storage pockets bilaterally located a brim part thereof and two loops spaced between the storage pockets at different elevations, and an earphone set including two earphone speakers respectively accommodated in the storage pockets, an electrical adapter having two wing strips respectively inserted through the two loops to hold the electrical adapter in a horizontal position, and a transmission cable inserted through a through hole on the brim part of the beanie hat to electrically connect the electrical adapter to an external mobile sound source for audio input.