This paper has the objective to suggest specific specialized learning activities in Korean language education necessary for children of multi-cultural families. Korean language education for children with multi-cultural backgrounds should consider BICS(Basic Interpersonal Communicative Skill) and CALP(Cognitive Academic Language Proficiency) because Korean language education is conducted in the public education system. This paper focuses on the essence of an actual classroom the “learning activities.” In this paper, We first discuss the special characteristics of children and characteristics of KSL education. Taking this as a basis, this research is structured as “Teaching-Understanding-Application-Everyday life”, and the effective Korean language learning activities on each step are suggested. This paper presents a case that takes learning activities that are effective in understanding the content learned as a foundation and focuses on learning activities that can be applied to everyday and school life.