近年来,随着商品经济的发展,我国流动人口急剧增加,加上他们中绝大多数正值生育高峰。通过举家流动并在异地生育子女,使流动儿童也随着流动人口的剧增而上升。流动儿童的激增,极大地影响了儿童计划免疫(下称计免)的工作,因此如何做好流动儿童的免疫工作,已成为当前计免工作亟待解决的问题。尽管 In recent years, with the development of the commodity economy, the floating population in our country has dramatically increased, and the vast majority of them are at the peak of their fertility. By moving families and having children off-site, migrant children have also risen with the rapid increase of floating population. The surge of migrant children has greatly affected the planned immunization of children (hereinafter referred to as “exemption”). Therefore, how to do well the immunization of migrant children has become an urgent issue to be solved now. in spite of