A ball pitching device includes: a body portion including an upper frame and a lower frame; a first rotation shaft portion supported by the upper frame; a pitching unit configured to pitch a ball and rotate about the first rotation shaft portion and including a first pitching wheel and a second pitching wheel; a first pitching angle adjusting unit adjusting a vertical pitching angle by adjusting a relative length between a bottom surface of the upper frame and the pitching unit; and a second rotation shaft portion connecting the upper frame to the lower frame to be rotatable on a horizontal plane. The first rotation shaft portion is disposed between a center of the first pitching wheel and a center of the second pitching wheel.