To evaluate the nutritional status and risk factors of malnutrition in children aged 6-24 months. Materials and methods: A cross-sectional descriptive study was conducted in 200 children aged 6-24 months at the Nghe An Obstetric and Pediatric Hospital from May 2022 to April 2023. Results: The prevalence of underweight, stunting, wasting was 23.5%, 27.5% and 12%, respectively. The rates of zinc and vitamin D deficiency were high in stunting, wasting groups. Calcium deficiency rate was highest in the stunting group. Risk factors of underweight were birth weight less than 2500 grams, incomplete immunization, previous diseases, no breastfeeding, early complementary feeding. Risk factors of stunting were mothers aged ≥ 35 years old, incomplete immunization, previous diseases, no breastfeeding and early complementary feeding. Risk factors of wasting were incomplete immunization and previous diseases. Conclusion: The prevalence of malnutrition is children in Nghe An was high. Health education for mothers and care givers about the importance of vaccination, micronutrient supplementation and reasonable disease treatment plays an important role to reduce the risks of malnutrition.