Objective To suggest the further studies on complementary food supplements interventions in China on infants aged 6-24 months. Methods By review of studies on complementary food supplements intervention and comparison of nutrient composition in these studies with recommendation by WHO/FAO. Results Complementary food fortification in China such as food supplements is composed of protein, calcium, zinc, vitamin A, D, B₁,B₂ with its amount within WHO/FAO recommendation limit. Conclusion Program of complementary food fortification in China is effective for nutrition promotion in high-risk regions of China, but a comprehensive strategy incorporating with epidemiology and statistics is essential to reduce undernutrition.