Excavating bucket and excavator

The excavating bucket comprises a bottom plate and side sealing plates arranged on the two sides of the bottom plate, a bucket body is defined by the side sealing plates and the bottom plate, a side blade plate is arranged at the end, facing the opening direction of the bucket body, of each side sealing plate, a lower reinforcing plate is arranged at the bottom of the outer side of each side sealing plate, and the lower reinforcing plates are arranged on the bottom of the outer side of each side sealing plate. A plurality of upper reinforcing plates are arranged on the outer side of the side sealing plate, the upper reinforcing plates are sequentially arranged on the outer surface of the side sealing plate at intervals, the lower edge of each upper reinforcing plate is connected with the upper edge of the lower reinforcing plate, and the upper edge of each upper reinforcing plate protrudes out of the upper edge of the side sealing plate. The structural strength can be improved, the production cost is saved, t