【Objective】 To evaluate the intervention effects of Yingyangbao on infants and young children aged 6~24 months lived in rural area of Ningqiang,Shaanxi. 【Methods】 All the infants and young children aged 6~24 months in Ningqiang county were fed one sachet Yingyangbao which contains rich high quality protein,various vitamins and minerals per day for 6 months.634 infants and young children were selected as study objects by PPS sampling featured representative characteristics in Ningqiang both at the beginning and at 6 months after it.The length and weight were measured and finger hemoglobin were determined. 【Results】 After 6 months intervention,the average hemoglobin,length,weight,WAZ and WHZ were increased 7.4 g/L,3.3 cm,1.2 kg,0.6 score,0.6 score,respectively,the differences were statistically significant (P<0.01);the prevalence of anemia,stunting,underweight,and wasting was declined 25.1%(P<0.01),1.0%,5.4%(P<0.01),4.0%(P<0.01),respectively by chi-square test. 【Conclusion】 The results indicated that Yingyangbao could decrease the prevalence of anemia,underweight and wasting of these infants and young children aged 6~24 months after 6 months intervention.