The present application provides a method and device for determining inner and outer sides of limbs, and relates to the field of wearable devices. The method comprises: acquiring first somatosensory information of a first side of a limb of a user, the first side being an inner side or an outer side of the limb and determining whether the first side is the inner side of the limb according to the first somatosensory information and reference information. The method and device facilitate a device that the user wears to perform automatic setting according to an identification result, thereby enhancing user experience.
