A system for collecting biopsy specimens comprises: an upper container (100), wherein said upper container (100) is adapted to contain a liquid (L)； a lower container (200), in which said lower container (200) can be sealed in a sealed manner with said upper container (100)； first valve means (300, 400) suitable for allowing or interrupting on command the flow of the liquid from said upper container (100) towards and within said lower container (200).
