3, identify label of accurate calorific underwear. Give out heat in the choose and buy when underwear, examine the ” of label of “ calorific underwear that whether there is yellow bottom black word in paste of the box that pack. This label bright showed calorific thread name, calorific effect and add scale. Before national level or occupation standard were not carried out, consumer is bought contain this enterprise consciousness to accept a society to supervise, the calorific underwear of the label that has quality acceptance quality, it is simple and efficient way undoubtedly.