Excrement sample drying device based on digestion metabolism test

The invention relates to the technical field of drying apparatuses, in particular to an excrement sample drying device based on a digestion metabolism test, which comprises a bottom barrel, and a drying oven I and a drying oven II which are sequentially arranged above the bottom barrel, inner barrels are arranged in the drying oven I and the drying oven II, the bottoms of the inner barrels are hollow-out, filter membranes are laid in the inner barrels, the upper ends of the two groups of inner barrels are open, and the lower ends of the two groups of inner barrels are open. An electric heater and a fan are arranged above the inner barrel on the upper side, and an electric heating rod is installed on the lower portion of the electric heater and used for blowing hot air into the first drying oven and the second drying oven to achieve drying; a top cover is installed at the upper end of the second drying oven, exhaust holes are formed in the top cover, a plurality of exhaust groove holes are formed in the bottom