The utility model discloses a mobile building engineering construction sunshade. The sunshade comprises a sunshade body and a travelling device, wherein the sunshade body comprises upright posts and a ceiling fixed at the upper ends of the upright posts; the ceiling comprises at least two crossbeams which are arranged in parallel, vertical beams fixed between the every two adjacent crossbeams, and sunshading cloth covered above the vertical beams; and the travelling device comprises travelling wheels arranged at the lower ends of the upright posts, and guide rails which are matched with the travelling wheels. The mobile building engineering construction sunshade disclosed by the utility model can move according to the changes of construction positions, so that workers can conveniently regulate sunshading scopes.