2. Collection of CKD high-risk group： The CKD patient's relative will be considerately incorporated into the CKD high-risk group. If CKD patient being confirmed, their relative who had chronic disease including DM, hypertension and CVD will be chosen into CKD high-risk group. The age is from fourteen to eighty-five and whatever they are male or female. This plan will select five thousand people into CKD high-risk group.