To provide a garbage drying apparatus for enhancing garbage collection efficiency while effectively putting a mixer truck in an excessive state to practical use and enhancing the whole work efficiency of garbage treatment.

The garbage drying apparatus is equipped with a feed and charging means 1 for feeding garbage to the hopper 106 provided to the upper part of the rear of the mixer truck A to charge the same in the hopper 106, and a blower means 2 for blowing dry hot air into the drum a1 constituting the mixer truck A and constituted so as to dry garbage by blowing dry hot air into the drum a1 while rotating the drum a1.