An inferior vena cava embolism filter, comprising an annular support portion (11) used for abutting against an inner wall of a blood vessel, and filter mesh (12) provided at two sides of the annular support portion (11)； the annular support portion (11) comprises a first support portion (111) and a second support portion (112) releasably connected to the first support portion (111)； the first support portion (111) and the second support portion (112) are arranged along the blood vessel, and the first support portion (111) and the second support portion (112) are each provided thereon with a recovery member (14). When recovering the inferior vena cava embolism filter, the first support portion (111) and the second support portion (112) may be released from one another in advance by means of a manner of release, which is to say that the filter is divided into two independent parts along the connection location between the two parts, then the two parts are recovered by means of the recovery members (14) on the first support part (111) and the second support part (112) respectively. As such, the contact area with the wall of the blood vessel when the entire filter is recovered may be reduced, which is convenient for recovery.L'invention concerne un filtre anti-embolie de veine cave inférieure, comprenant une partie de support annulaire (11) utilisée pour venir en butée contre une paroi interne d'un vaisseau sanguin, et une toile filtrante (12) disposée sur deux côtés de la partie de support annulaire (11) ； la partie de support annulaire (11) comprend une première partie de support (111) et une seconde partie de support (112) reliée de manière amovible à la première partie de support (111) ； la première partie de support (111) et la seconde partie de support (112) sont disposées le long du vaisseau sanguin, et la première partie de support (111) et la seconde partie de support (112) sont chacune pourvues d'un élément de récupération (14). Lors de la récupération du filt
