A kind of variable swab stick header structure, including a cotton head, a promotion part and a swab stick portion. Cotton head has an accommodating space. Promotion part system connects the cotton head, and has an internal diameter. Internal diameter of system, swab stick portion connection setting what promotion part, to stretch or be promoted in the accommodating space on the what cotton head by the promotion part.一種可變棉棒頭結構,包括一棉頭部、一推進部以及一棉棒部。棉頭部具有一容置空間。推進部係連接該棉頭部,且具有一內徑。棉棒部係連接設置於該推進部之該內徑,以藉由該推進部伸縮或推進於該棉頭部之該容置空間內。