Distance education is a professional online education institution, which provides efficient, convenient and high-quality remedial services. The institution has a group of excellent teachers, rich teaching experience and professional knowledge, and can provide personalized remedial programs for different students' learning situations and needs. In addition, distance education make-up lessons also adopt advanced online teaching platform and teaching resources, which can realize online learning anytime and anywhere, allowing students to make full use of fragmentation time and improve learning efficiency.