Equipment for returning straw to field

The invention discloses equipment for returning straw to a field. The equipment includes an installation shell, the surface of the installation shell is provided with an installation box, the top of the installation box is provided with a first motor, an output shaft of the first motor penetrates through the installation box and extends into the installation box, the output shaft of the first motor is connected with a first straw treatment structure, one side of the installation shell is provided with a second motor, an output shaft of the second motor penetrates through the installation box and extends into an inner cavity of the installation box, and the output shaft of the second motor is connected with a second straw treatment structure; according to the equipment for returning straw to the field, the surface where a first grinding knife is located and the surface where a second grinding knife is located are perpendicular to each other so that the equipment can thoroughly crush the straw when in work, at