To make it possible to surely execute edge cutting by making use of constitution raising and lowering an edge cutting device, and repeating several times of raising and lowering operation in an edge cutting earth moving method of earth and sand taken in a drilling bucket.

Excavated earth and sand is successively taken in a drilling bucket 3 while successively driving the drilling bucket into the ground, and when earth and sand to be taken in the bucket reaches a specific volume, the first edge cutting operation is executed by pulling out an edge cutting device, and after the drilling bucket 3 is pulled out, the drilling bucket 3 is brought into contact with an earth discharge place such as ground, plate surface, etc., the second edge cutting operation is executed by lowering the edge cutting device. Then, the third edge cutting operation is executed by pulling up the edge cutting device. Then, the bottom cover the drilling bucket 3 is opened, and edge cut earth and sand taken in the drilling bucket is discharged to the outside.