Abstract: Objective To Analyze the Birth Features of Floating Population in Minhang District,Shanghai. Methods A describing analysis on birth features was done using monitoring data from the birth registration system. Results The sex ratio at birth of floating population was 117.53~123.36.The cesarean section rate in floating population was 33.60%~37.50%.The rate of low birth weight and macrosomia in floating population was higher than that in resident population. The reporting rate of birth defects in resident population was higher than that in floating population. Conclusion The health care for Floating Pregnant Women should be strengthened and the health education enhanced.