Engineering safety helmet

The utility model relates to an engineering safety helmet which comprises a helmet body (1) and appendage components (2); a plurality of concave containing spaces (11) are arranged at two sides of the top end surface of the helmet body (1); the appendage components (2) which have visual effects different from that of the helmet body (1) are arranged in the concave containing spaces (11); and the appendage components (2) are fixedly combined with the helmet body (1). During the use, the engineering safety helmet can have different colors, so that the work properties and positions of the workers can be easily identified.