To provide a garbage filtering sheet which plays a role to drain garbage and is helpful for recycling the garbage as compost for farmland.

This square garbage filtering sheet having the function to filter small-sized garbage contaminating sewage is used in a conical or hemispherical garbage can to be used instead of the generally used sink tidy. Cut lines are formed by cutting the square garbage filtering sheet from the respective corners while centering the intersection point of the diagonal lines so that the cut square garbage filtering sheet can fit to the bottom face of the hemispherical garbage can and cover the inside surface of the can wall.