This application discloses a container. The container comprises a base, two pairs of opposite side plates and a lid. The two pairs of opposite side plates are both connected to the base. The lid can be locked to the top of the side plate via a locking device. Each of the four top corners of the container is provided with one locking device. The four locking device are arranged opposite to each other tin pairs along the corresponding diagonal of the lid, and each of the locking device includes one locking tongue member provided on the lid and one locking groove provided on the corresponding side plate. The locking tongue member has a locking tongue and is arranged to be movable relative to the lid so that the locking tongue is insertable into the locking groove to lock the lid to the side plate and is detachable from the locking groove to unlock the lid. Each of the locking grooves extends outwardly from the side plate along the corresponding diagonal direction of the lid. The lid of the container of the present application can be unlocked from any direction.