To provide a drying-type garbage-treating apparatus, in which heating efficiency is improved, and formed condensate can be utilized for washing.

Exhaust gas in a garbage treatment tank is circulated through a deodorization apparatus and a cooling apparatus. A circulation fan is placed on the side of suction of the deodorization apparatus and the cooling apparatus, and a pressure-release valve is provided in an exhaust duct on the outlet side of the circulation fan.