▎ 摘　　要

NOVELTY - The utility model claims a graphene self-heating cotton waistcoat core for student, comprising a waistcoat core main body; one side of the middle part of the waistcoat core main body is provided with a placing bag; the placing bag comprises a placing bag main body; two first elastic belts and a fixing belt; two sides of the top part of the placing bag main body are fixedly connected with with a connecting belt; one end of the two connecting belts are fixedly connected with the outer surface of the waistcoat core main body; a fixing belt is set between the two first elastic belts; a velcro main body is set between the fixing belt and the placing bag main body; the velcro main body comprises a first velcro and a second velcro, one side of the first velcro is fixedly connected with one side of the placing bag main body; one side of the second velcro is fixedly connected with one side of the fixing belt; the top part of the placing bag main body is provided with a placing cavity. by setting and connecting mechanism, convenient for user to turn the whole placing bag, so as to conveniently put the inner to clean of the bag, at the same time, it is convenient to extract.