The present invention relates to a polymer stent kit and a manufacturing method thereof and, more specifically, a blood vessel-inserted prosthesis, which is inserted in a blood vessel and is polymer, and a manufacturing method thereof. In the present invention, provided is a polymer stent kit, comprising a balloon a polymer stent which is installed on the circumference of the balloon and a cyclic-shaped metal member which is located on the circumference of the balloon and is formed on one end part or both end parts in a lengthwise direction of the polymer stent. According to the present invention, the position of the polymer stent inserted in the human body can be easily found by using radiation.COPYRIGHT KIPO 2015본 발명은 고분자 스텐트 키트 및 고분자 스텐트 키트의 제조방법에 관한 것으로, 혈관 내에 이식되며 고분자로 구성된 관내인공삽입물 및 이의 제조방법에 관한 것이다.