Medical continuity services. Chinese Medical Association of Family Medicine Branch of the Sixth Annual Conference of the General Assembly to exchange in line with their own development of "patient-centered" two-way referral model; the development of a practical, and can reflect the characteristics of the continuity of general medical services. "Two-way referral", in short, is "small diseases into the community, big diseases into the hospital", and actively play the advantages of large and medium-sized hospitals in talent, technology and equipment.