Recently, agriculture has developed remarkably. In recent years, the South Korean government has provided a lot of support for smart agriculture. So, South Korean smart farming industry is making a lot of progress lately. Due to the aging population of farmers in the world, governments of developed country are making strenuous efforts to resolve several agricultural problems through smart farming. Farmers also have a lot of interest in smart agriculture, where they can expect to increase their incomes and boost their convenience. In this speech, I want to introduce about the concept of smart farming technology and smart agricultural situation in Korea and following this, I will focus on the status of smart agriculture in major countries, and will attempt to wrap up the lecture by predicting future smart agriculture.