PROBLEM TO BE SOLVED: To address such collection loss that a bulb vegetable processing machine includes a discharge chutes, however, bulb vegetables may sometimes fall on a floor without entering from the discharge chute into a collection box.SOLUTION: The bulb vegetable processing machine includes: a conveyance part 4 having a pair of conveyer belts 5 for conveying bulb vegetable, onions 2, with stalks thereof clamped therebetween, at a machine body frame 1 mounted above the floor by support legs 3 a root cut part 20 having a root-cut rotary blade 21 and a root-cut stationary blade 22 for cutting roots of the onions 2, at a starting edge of the conveyance passage 10 a stalk cut part 40 having a stalk-cut rotary blade 41 and a stalk-cut stationary blade 42 for cutting the stalks of the onions 2, on a downstream side of the root cut part 20 and discharge chutes 59 for receiving the onions 2 cut by the stalk cut part 40 and guiding them to discharge ports 58 of the bulb vegetable processing machine, on the lower side of the stalk cut part 40. The discharge ports 58 are formed on outer covers 85 detachably attached to left/right frames 45 at the left/right of the machine body frame 1, and the outer covers 85 that the discharge ports 58 face, include detachable guide bodies 86 detachably attached thereto.SELECTED DRAWING: Figure 1【課題】排出シュートを設けているが、排出シュートから回収箱に入らずに、床上に落下し、回収ロスが発生するという課題がある。【解決手段】支脚3より床上に載置される機体フレ-ム1に、鱗茎菜類玉葱2の茎部分を挟持搬送する一対の搬送用ベルト5を有する搬送部4を設け、搬送路10の始端部に玉葱2の根を切断する根切回転刃21と根切固定刃22を有する根切断部20を設け、根切断部20の下手側に玉葱2の茎を切断する茎切回転刃41と茎切固定刃42を有する茎切断部40を設け、前記茎切断部40の下方には、茎切断部40で切断された玉葱2を受け止め鱗茎菜類調製機の排出口58に誘導する排出シュート59を設け、前記排出口58は機体フレ-ム1の左右の左右枠45に着脱自在に取付けた外側カバー85に形成し、前記排出口58の臨む外側カバー85には着脱式誘導体86を着脱自在に取付けた鱗茎菜類調製機。【選択図】図1