A polylactic acid resin film or sheet which can be satisfactorily and
stably formed and has excellent matte properties. It is a single-layer
matte film or sheet which comprises a polylactic acid resin composition
containing a particulate substance and at least one side of which has a
surface gloss as measured in accordance with ASTM-D2457-70 (45.degree.
gloss) of 60% or lower.