To transfer many crude tires into a bucket device together, simply, and easily.

This tire loading method comprises an attitude change process for changing a crude tire 2 from prostrating attitude into rising attitude by an attitude change mechanism A, a skewering process for skewering the crude tires 2 whose attitude is changed into a skewering mechanism B sequentially, and a transfer process for transferring the skewed crude tires 2 on the skewering mechanism B into the bucket device C at once.