A portable electronic device includes a cover, a container and a heater. The container is provided in the cover. The heater that includes some heating material is contained in the container. The portable electronic device can be used for warming a user.一種攜帶式電子裝置,其包括一蓋體、一容置件及一發熱裝置。其中,所述容置件設於該蓋體上。所述發熱裝置包括有發熱材料,其容置於該容置件內。所述攜帶式電子裝置可實現取暖之功效。