The present invention provides a roasting ceramic cylinder clamping structure of a coffee bean, which comprises a cylinder body and a transmission shaft, the transmission shaft is rotated by a motor, the transmission shaft is positioned at an end surface of the cylinder body, and the cylinder body has an opening； The cylinder body is a ceramic product, and has a plurality of groove rings during molding, a holding device holds the cylinder body, and the transmission shaft is fixed to one end of the holding device； accordingly, the cylinder body is held by the holding device, and the rotation of the transmission shaft is synchronously held by the transmission shaft The device rotates the cylinder, and the assembly of the cylinder is held by the holding device without destroying the original structure of the cylinder.本創作係提供一種咖啡豆之烘焙陶瓷筒夾持結構，其係包含有一筒體及一傳動軸，傳動軸受一馬達傳動而旋轉，傳動軸定位於筒體一端面，筒體有一開口；其特徵在於：該筒體為陶瓷製品，成型時具有數凹槽環，有一挾持裝置挾持筒體，傳動軸與挾持裝置一端相固定；據此，以挾持裝置挾持筒體，並由傳動軸同步轉動挾持裝置，而旋轉筒體，藉由挾持裝置挾持筒體之組裝，不破壞筒體原有結構。
