The invention relates to a protective component of a plowshare, which comprises: a plowshare body, the top surface of which is provided with a first convex ridge to define two guiding inclined planes； a protective sheet, which is detachable and fixed on the top surface of the plowshare body； a sharp arc plate, which is connected to one end of the plowshare, and the sharp arc plate of the plowshare includes a second convex ridge to connect the first convex ridge correspondingly.The protective sheet is detachable and combined with the top surface of the share body. It can be easily disassembled and assembled by means of screw fixation for the user to replace by himself. Only the protective sheet needs to be replaced in case of wear and tear, so as to reduce the cost of scrapping the whole share and prolong the service life of the share.本創作係有關一種犁鏵之防護組件，包含：一鏵體，頂面設有一第一凸脊以界定有二導引斜面；一防護片，係可拆地固定於該鏵體之頂面；一鏵尖弧板，連接於該犁鏵之一端，該鏵尖弧板包括一第二凸脊對應連接該第一凸脊。防護片係可拆地結合於鏵體頂面，透過螺固方式拆裝容易以供使用者自行替換，磨損只需汰換防護片，降低報廢整個犁鏵的成本，更延長犁鏵之使用壽命。
