An embedding typed handbrake operating device is disclosed herein, which mainly contains a positioning seat to which an operating lever is pin-joined. A stopping ring, a spring, and a locking seat are sequentially joined to the positioning seat through a locking bolt. The brake sleeve of a brake cable is threaded into the tubular body of the end section of the handlebar via a cable entrance hole and then into the locking seat. A brake wire is threaded through the operating lever, an axial through hole of the locking bolt, and into the brake sleeve connected to the locking seat, and finally to the handbrake assembly.