【Objective】 To analyse the nutrition and health status of infants under 36 months in Zhen'an county, Shaanxi province. 【Method】 By PPS sampling method, total 422 infants under 36 months in Zhen'an were chosen randomly and investigated using the questionnaire, anthropometrics. Children aged 6~35 months were taken blood samples to measure hemoglobin and serum 25-(OH)D₃ concentration. 【Results】 The prevalence of stunting, low weight and wasting were 8.5%, 3.6% and 3.1%, respectively. The prevalence of diarrhea and the respiratory tract disease for the last two weeks were 22.2% and 14.5%, respectively. The prevalence of anemia, vitamin D deficiency and vitamin D borderline deficiency in 6~35 months children were 25.1%, 15.2% and 34.8%. 【Conclusions】 The growth level of the infants in Zhen'an county is well, but the prevalence of anemia and vitamin D deficiency are high. It is necessary to take a nutrients supplement rich in iron and vitamin D to remedy the problem of anemia and vitamin D deficiency for infants aged 6~35 months.