The utility model relates to a quick -witted antistatic device checks, include the machine of checing, characterized by, the afterbody of the organism of checing open and to have the inner groovy, be provided with static in the inner groovy and derive the ware, static derive the ware and check built -in portion metal -back body coupling. The utility model relates to a rationally, convenient to use both may not influence the quick -witted normal use that checks, can effectively avoid static to produce unfavorable influence to equipment again.