A kind of fishing set of pieces quick replacement device,Set of pieces and at least one control thread casing are fished comprising one,Wherein,The inside of the fishing set of pieces is equipped with an at least fixation hole,An entrance is equipped with outside the fishing set of pieces to be connected with the fixation hole,The control thread casing is inserted into the fixation hole of the what fishing set of pieces,The control thread casing periphery is equipped with an at least line mouth,And the what control thread casing one end is equipped with a prevention portion,The line mouth is controlled thread casing and is rotated to the position coincideing with the entrance of the fishing set of pieces outside,For combining fishing set of pieces in the bus or sub-line insertion control thread casing of a fishing bodyguard extension group or by being detached from the fishing set of pieces in control thread casing,In the bus or sub-line insertion control thread casing,It is rotated via the control thread casing,The state for misfitting the line mouth and entrance in disengaging,To enable bus or sub-line and the fishing set of pieces of the fishing bodyguard extension group link,And it is wound fixation by the prevention portion,Slide the fishing set of pieces can along bus or sub-line,Or the state of fixed what bus or sub-line.一種釣組元件快速更換裝置，包含一釣組元件及至少一控線套管，其中，該釣組元件之內部設有至少一固定孔，該釣組元件外部設有一入口與該固定孔相連通，該控線套管插入於該釣組元件之固定孔內，該控線套管周邊設有至少一線口，並於該控線套管一端設有一制止部，該線口經控線套管旋轉至與該釣組元件外部之入口吻合之位置，可供一釣魚仕掛組之母線或子線嵌入控線套管內結合釣組元件或由控線套管內脫離該釣組元件，當該母線或子線嵌入控線套管內，經由該控線套管旋轉，使該線口與入口呈脫離不吻合之狀態，以令該釣魚仕掛組之母線或子線與該釣組元件連結，並藉該制止部進行纏繞固定，使該釣組元件為可沿母線或子線滑動，或固定於母線或子線之狀態。
