A method for detecting a wearable device's contact with a living body may be provided, including obtaining a decreasing rate of body temperature and a decreasing a rate of environmental temperature measured by a wearable device worn on a living body; and determining the wearable device's contact with the living body based on a comparison of the decreasing rate of body temperature and the decreasing rate of environmental temperature. A corresponding apparatus and computer program product for detecting a wearable device's contact with a living body may also be provided.