The utility model discloses a kind of storage boxes, including outer box body, inner box body, lid, the upper portion of the outer box body is provided with first limiting strip;The inner box body and the outer box body between be provided with preset distance, and the inner box body is connected with outer box body;The lid is covered in the upper portion of the inner box body and outer box body.The utility model is opened, second limiting strip is moved to gap position, then hand is pressed limiting plate, to make limiting plate inwardly offset, make first limiting strip and second limiting strip separate, open lid;The utility model has double-layer protection, first layer is the lid cover rotating lid, make second limiting strip completely with first limiting strip clamping, second layer is limiting plate and second limiting strip clamping, even if remaining second limiting strip is located in gap position, still need to press limiting plate and unlock, greatly improve the security of box body, avoid child misfeeding opening.