STEM is a modern educational model taught in elementary schools that equips children with knowledge and skills related to four fields: Science, Technology, Engineering and Mathematics. STEM education helps students have early access to advanced education, and at the same time, they will be fully developed intellectually and physically. Therefore, many schools and educational institutions have applied STEM education programs in teaching with many integrated, interdisciplinary educational activities, focusing on extracurricular activities, creating opportunities for students to develop. develop capacity and social skills. The knowledge content of the topic Plants and Animals in particular and Nature and Society in elementary school is a STEM applied science subject that will be very effective. In this article, we mention the application of STEM education in teaching the topic Plants and Animals in Grade 3 Nature and Society.