The present disclosure provides a rework device and a rework method useful in reworking a shingle cell module. The rework device includes a first supporting component, a second supporting component and a heating component disposed between the first supporting component and the second supporting component and being flush with the second supporting component. The first supporting component is inclined at an angle with respect to the heating component. This type of rework device and rework method has the advantages of simple structure, low cost and convenient operation.