To provide a sanitarily handleable combustible container by performing housing so as not to project sharp objects such as injection needles or the like and not to leak fluid such as blood or the like or performing housing so as not to leak an offensive odor.

This medical waste processing container is the combustible container composed of the triple structure of an inner box 2, a housing bag 18 and an outer box 20. The inner box 2 is composed of compressed paper (multiple paper) and is provided with a structure with excellent strength and rigidity. The projection of the injection needle or the like and the damage to the housing bag 18 are prevented and a shape is prevented from being destroyed. An auxiliary bottom member 17 is mounted so as to be tightly adhered to the inner side of the body part 3 of the inner box and the side of a bottom part 9 is of a double structure and is turned to the structure for not generating a clearance at the corner of the side of the bottom part 9. As for the housing bag 18, a cylindrical body is folded into four, the bottom part 19 is formed by welding one end, it can be uniformly widened including the bottom part 19 and it is not torn off at the corner of the lower part of the inner box 2. Auxiliary holding parts 39 in the same shape as a main holding part 34 are formed on both sides of the flap of the outer box and the body part 21 of the outer box is closed by the flap 36 so as to eliminate the clearance.