The present invention relates to a housing, a support plate located inside the housing and including heating means in a certain area, a drum chamber located inside the housing and located on one side of the support plate, and an outer periphery of the drum chamber A first support part installed adjacent to the surface, for supporting the drum chamber, and installed adjacent to the outer peripheral surface of the drum chamber, and located at a predetermined distance from the first support part, A coffee roasting machine including a second support part for supporting a drum chamber, wherein the drum chamber is rotated by the heating means in order to rotate by receiving a driving force for rotating the drum chamber from the first support part. It can rotate without interference. [Selection] Figure 2本発明はハウジングと、前記ハウジングの内部に位置し、一定領域に加熱手段を含む支持プレートと、前記ハウジングの内部に位置し、前記支持プレートの一方に位置するドラムチャンバと、前記ドラムチャンバの外周面と隣接して設置され、前記ドラムチャンバを支持するための第1支持部と、前記ドラムチャンバの外周面と隣接して設置され、前記第1支持部と一定間隔離隔して位置し、前記ドラムチャンバを支持するための第2支持部を含むコーヒー焙煎機に関し、ドラムチャンバの回転のための駆動力を第1支持部から伝達を受けて回転するため、前記ドラムチャンバが前記加熱手段によって妨害されず回転できる。【選択図】図2