Disclosed are a method for producing a composite talc powder material and a housing thereof. The method for producing a composite talc powder material includes the following steps. firstly, evenly mixing a talc powder material, a bio-powder material and a solvent to produce a mixed solution; subsequently, filtering the mixed solution to obtain a mixed powder material; then drying the mixed powder material to obtain a dry powder material; next sintering the dry powder material to produce a sinter cake material; and then pulverizing and grinding the sinter cake material to obtain the composite talc powder material. Besides, the disclosure provides a housing manufactured by using the composite talc powder material.