Abstract: This invention provides a laptop bag, which includes a shockproof front panel, a shockproof rear panel and a shockproof connecting panel which connects the shockproof front panel and the shockproof rear panel. The shockproof front panel, the shockproof rear panel and the shockproof connecting panel are enclosed to form a placement space for placing a laptop. The shockproof connecting panel is provided with an opening means for putting a laptop in the placement space or taking out the laptop from the placement space. The shockproof front panel, the shockproof rear panel and the shockproof connecting panel each is provided with a first shockproof layer, a plurality of protrusions made of a shockproof material are provided on the first shockproof layer. The laptop bag can achieve the purpose of protecting lateral surfaces of the laptop.