The problem of anti-theft of solar street lights can not be ignored. Solar street lights are generally mainly composed of solar panels, lamp heads and light sources, lamp posts, batteries and controllers. Most of these accessories are connected by hardware structural parts, so it is easy to be removed. Due to the solar panel, the lamp head light source and the battery are versatile, and the value is high, it is easy to become the target of theft. In addition, some solar street lights are installed in rural areas, located in remote sections, unattended, and it will inevitably become the target of some criminals. Among them, solar panels and accumulators are easy to be stolen, and some places even steal only one light pole. Therefore, the anti-theft problem of solar street lights must be paid attention to.