PROBLEM TO BE SOLVED: To provide a ridging machine which can prevent distortion of a bend plowing pick of a banking body.SOLUTION: A ridging machine 1 comprises a banking body 3 plowing and heaping soil, and a ridge forming body 4 compacting the banking by the banking body 3 and forming a ridge. The banking body 3 has a plowing shaft 31 rotating to an appointed direction. A bend plowing pick 40 having a bend part 39 is attached to an appointed pick holder part 36 of the plowing shaft 31. A tabular pick guard 44 covering the bend part 39 is adhered to the bend plowing pick 40.