Tool box capable of controlling opening angle of box cover

The invention discloses a tool box capable of controlling the opening angle of a box cover. The tool box comprises a box body and the box cover, wherein the box cover is connected with the box body by a hinge; the top surface of the box cover is provided with a lifting handle; a fastener is arranged between the box cover and the box body; a connecting belt is arranged between the side surface of the inner part of the box body and the side surface of the inner part of the box cover; one end of the connecting belt is fixedly connected with the box body, and the other end of the connecting belt is fixedly connected with the box cover; the connecting belt is made of soft material; and the inner side of the box cover is provided with a cloth bag. The tool box disclosed by the invention has the advantages that due to the adoption of the connecting belt, when the box cover is opened, the box cover is pulled by the connecting belt, so that the box cover keeps a certain angle so as to be prevented from overturning to be level to the box body, and the box cover and the box body are arranged in a parallel state; and tools stored in the cloth bag at the inner side of the box cover can be taken and put randomly, so that the convenient effect is achieved and the working efficiency is improved.