Provided are a composition and a kit for reprogramming cancer associated fibroblasts (CAFs) into macrophages, and a method of using the same. According to a method of reprogramming CAFs according to an aspect, macrophages may be prepared with a high yield in a short period of time, and the tumor microenvironment may be suppressed and macrophages produced by reprogramming CAF may elimininate cancer cells. Therefore, the macrophages may be usefully applied as an anticancer agent or an anticancer adjuvant.
