The invention relates to a safe barrier, and concretely relates to a charged device sound-light alarm safe barrier. The safe barrier comprises a barrier rope and a barrier pile connected through the barrier rope. A neon lamp is installed at the upper end of the barrier pile. A power supply module, a laser transmission module, a wireless transmission module and a sound generator are arranged inside the barrier pile. After a laser receiver receives a signal, a control circuit is triggered, and the sound generator is controlled to make a sound. The wireless transmission module is equipped with a signal emitter and an antenna. The signal emitter is connected with a mobile alarm device through a wireless network. The mobile alarm device is equipped with a sound-light alarm. The charged device sound-light alarm safe barrier is simple in structure, is low in cost, is easy to install, has a good sound-light alarm function, avoids corresponding peccancy phenomena, and does not cause personal damage to touch personnel. In addition, when electric power operation personnel work, other personnel going into the scene accidentally can be discovered in time, and a good prompting function can be achieved.