The course helps agricultural students and practitioners to learn closely relevant knowledge through online live streaming and live recording. Combined with the learning of relevant knowledge points, students are familiarized with the key points of strawberry virus-free seedling cultivation technology. This course mainly covers four parts: "techniques of virus-free strawberry seedling propagation", "open soil  seedling propagation", "Plug seedling propagation", and "seminal propagation". They are Objectives, materials and tools, implementation steps, conclusions, etc., providing reference for strawberry production beginners.