The present invention provides a novel safety shoe, belonging to the technical field of shoe products and comprising a sole; the sole is provided with an upper, the sole is glued to the upper, the bottom edge of the upper is provided with an integrally formed protective strip, a head of the upper is provided with a protective block, two sides of the upper are each provided with a warm structure, each warm structure includes an outer warm layer, the bottom edge of each outer warm layer is fixed to the upper, the other edge of each outer warm layer is connected with the upper through a zipper, an inner warm layer is provided between each outer warm layer and the upper, the upper surface of the upper is provided with a breathable layer, the top periphery of the upper is provided with through holes, and a fixing strap is passed through the through holes. The novel safety shoe of the invention is simple in structure, good in warmth retention and breathability and good in anti-slip performance and can protect human feet in severe and dangerous environments.