The invention relates to the field of white spirit automatic brewing equipment, in particular to an inverted propeller type automatic caldron feeding device. The invention provides the inverted propeller type automatic caldron feeding device which can replace the manual operation to simply, reliably and efficiently realize caldron feeding. The inverted propeller type automatic caldron feeding device comprises a caldron barrel, a support grid structure and a propeller type rotating structure, wherein the bottom of the caldron barrel is provided with a steam inlet; the support grid structure is connected in the caldron barrel in a sleeving way; the propeller type rotating structure is arranged above the support grid structure; the support grid structure is fixedly connected with a connecting rod; a propeller handle of the propeller type rotating structure is glidingly connected outside the connecting rod in a sleeving way; propeller blades of the propeller type rotating structure are arranged at the upper surface of the support grid structure in a tight attaching way; the lower surface of the support grid structure is provided with a temperature detector; the temperature detector is connected with a driving motor; the driving motor is connected with the connecting rod and the propeller handle of the propeller type rotating structure. The inverted propeller type automatic caldron feeding device is particularly suitable to be used in a wine brewing process required to precisely realize automatic caldron feeding.