A kind of fishing rod Hou plug of what is closed in this creation system, it includes: a chock plug ontology and a counterweight, aforementioned chock plug ontology include two ends, and one end of aforementioned chock plug ontology is equipped with an at least lock solid structure; Aforementioned counterweight includes a locking part, and aforementioned locking part system fits the lock solid structure of the locking aforementioned chock plug ontology of what, and aforementioned counterweight can contact by the mode of concatenation. Therefore user can be by voluntarily increasing or decreasing the quantity of aforementioned locking part, easily to adjust the weight of aforementioned fishing rod Hou plug counterweight.本創作係關於一種釣竿後塞,其包含:一塞頭本體以及一配重件,前述塞頭本體包含二端,前述塞頭本體之一端設有至少一鎖固結構;前述配重件包含一鎖固部,前述鎖固部係適鎖固於前述塞頭本體之鎖固結構,且前述配重件可藉由串接之方式進行串連。因此使用者可藉由自行增加或減少前述鎖固部之數量,以方便地調整前述釣竿後塞配重之重量。