ABSTRACT
Since the reform and opening up, a large number of migrant population have appeared in our country, which has created a special social group of migrant children; and there is no concept of migrant children based on household registration system abroad.However, there are immigrant and refugee children, and the health of migrant children is influenced by the living and/or learning environment as well as factors such as diet, guardianship and health care conditions.According to current studies at home and abroad, the health status of migrant children is lower than that of non-migrant children, so more attention and supports are needed in the areas of psychological status, social support, disease occurrence, nutrition intake, height growth, health care services, etc.Targeted measures have been formulated in the areas of psychological care, public health and medical security to improve the health status of migrant children.