The present invention relates to a filter needle assembly for a syringe, and particularly, to a device for facilitating the suction of injection fluid when a cap provided with a filter for filtering foreign substances is used on the syringe, the device comprising: a syringe needle (100) capable of being coupled to the syringe and comprising a needle (110) and a hub (120) for supporting the needle (110)； and the cap (200) including the filter (210), and coupled while accommodating the needle (110) and maintaining a seal around the outer periphery of the hub (120), wherein the hub (120) has a through-hole (121) allowing the inside and outside of the hub(120) to communicate, and the opening and closing of the through-hole (121) are controlled by a one-way valve means (300) to prevent foreign substances from flowing into the syringe as well as to prevent foreign substances from remaining on the syringe needle, thereby preventing ampule fragments from being injected into the human body along with the injection fluid and thus increasing safety, and one-way valve means of various types are provided at the hub of the syringe needle so as to facilitate the suction of the injection fluid, thereby increasing utilization by users and thus maximizing marketability and market competitiveness of the product.La presente invención se refiere a un ensamblaje de aguja de inyección con filtro para una jeringa, y más particularmente, a un aparato para facilitar aún más la succión de un líquido de inyección cuando se utiliza una tapa proporcionada con un filtro para filtrar una sustancia extraña en una jeringa. El ensamblaje de la aguja de inyección con filtro incluye una aguja de inyección (100) que incluye una aguja (110) y un cubo (120) para sujetar la aguja (110) y configurado para que sea acoplable a la jeringa； y una tapa (200) configurada para recibir la aguja (110) y para que sea herméticamente acoplable a una periferia externa del cubo (120) e incluye un filtro (210), caracteriz
