Provided are a hollow porous partially absorbable suture and a preparation method therefor. The hollow porous partially absorbable suture is prepared from non-absorbable braiding yarn (1) and absorbable axial yarn (2) by means of a two-dimensional triaxial braiding process and a thermal treatment process. The preparation method therefor comprises: first pre-forming the braiding yarn (1) and the axial yarn (2) on the surface of a lining tube (3), so as to obtain a suture with a porous surface, wherein the pore diameter is adjustable in the axial direction； then, after the thermal treatment process is carried out, the axial yarn (2) being partially fused to fix braid points of the braiding yarn (1)； and finally, removing the lining tube (3), and obtaining a hollow porous suture with a stable structure. The suture is partially absorbable, and can guarantee mechanical support and also reduce the non-absorbable ratio； and a hollow porous structure facilitates tissue ingrowth, and promotes tissue regeneration, and when in use, the suture is stressed to be tape-shaped, thereby reducing the cutting of tissue. An integral forming technique combining braiding with thermal setting is used in the preparation method, and no after-treatment technique, such as welding and bonding, is needed, thus achieving simple procedures and convenient processing.La présente invention concerne une suture creuse poreuse partiellement absorbable et un procédé de préparation de celle-ci. La suture creuse partiellement absorbable est préparée à partir d'un fil de tressage non absorbable (1) et d'un fil axial absorbable (2) au moyen d'un processus de tressage triaxial bidimensionnel et d'un processus de traitement thermique. Le procédé de préparation de celui-ci comprend : un premier pré-formage du fil de tressage (1) et du fil axial (2) sur la surface d'un tube de revêtement (3), de manière à obtenir une suture avec une surface poreuse, le diamètre de pore étant ajustable dans la direction axiale ；
