A breast lesion probe is described, which includes a hollow outer needle and a marking needle. The hollow outer needle has a tube wall and an accommodating space. The marking needle penetrates through the hollow outer needle. The marking needle has an elastic spindle portion, and the elastic spindle portion can be pressed by the tube wall and can be gathered in the accommodating space.一種乳房穿刺針,包含中空外針以及標示針。中空外針具有管壁以及容置空間。標示針穿設於中空外針中。標示針具有彈性紡錘部,且彈性紡錘部可受到管壁之壓迫而收合於容置空間中。200‧‧‧乳房穿刺針220‧‧‧中空外針222‧‧‧管壁224‧‧‧容置空間240‧‧‧標示針242‧‧‧彈性紡錘部243‧‧‧線材243a‧‧‧彎曲部243b‧‧‧平直部245‧‧‧線材247‧‧‧管件249‧‧‧管件