The utility model provides a special biasing hilted broadsword ditching machine of matrimony vine, includes that support body, traction frame, power transmission unit, ditching disc, pivot and quantity is no less than six ditching sword, and the traction frame is fixed joins in marriage the dress at the front end of support body, and power transmission unit joins in marriage the dress on the support body, and the one end of pivot and power transmission unit's power take off join in marriage the dress, and the other end is fixed joins in marriage the dress in the intermediate position of ditching disc, the fixed edge of joining in marriage the dress at the ditching disc of ditching sword. The utility model discloses a disc rotation type ditching mode, the utility model has the advantages ofsimple structure, and only need simple miniature tractor to pull to give power transmission unit with the power take off transmission of tractor, it is rotatory that power transmission unit drives the ditching disc, then the ditching sword ditches, and the rotation type ditching is fit for various chilterns and hard soil earth, and does not need too big power take off, can accomplish the ditching.