Objective To analyse the status of 1 month infants' nutrition and health during 2010-2012 in Xiamen. Method The physical examination data of 3 241 one month old infants in Xiamen during 2010-2012 were used horizontal analysis. Results The rates of overweight, underweight, obesity, marasmus, growth retardation and developmental retardation of 1 month boy infants were 20.3%, 1.49%, 0.74%, 1.65%, 2.72% and 0.17%, while the girls' were 16.14%, 2.32%, 0.74%, 2.78%, 2.32%, and 0.46% in Xiamen during 2010-2012.Boys' and girls' length, weight and BMI and feeding status were the same among three years. Conclusions There are no significant differences between boys and girls 1 month infants from Xiamen in the nutritional and health status.And some problems, such as mal-nutrition and overweight for 1 month infants, especially marasmus for girls, should be paid more attention in Xiamen.