Abstract: The present disclosure relates to the technical field of lamps, and discloses a split type single-buckle lamp. The split type single-buckle lamp includes an inner lamp holder, and a bulb in threaded connection with the inner lamp holder; the inner lamp holder is connected with a live conductor wire; a split type outer lamp holder sleeves the inner lamp holder; the outer lamp holder includes a first housing and a second housing which are buckled with each other. Furthermore, the first housing and the second housing are connected in a single-buckle manner, so that the outer lamp holder is replaceable and has high flexibility. The single-buckle design effectively improves the assembling efficiency of the outer lamp holder.