The invention relates to a lesson preparation laptop for a teacher, which is characterized in that the desktop of the laptop for a teacher includes daily work, lesson preparation before class, lesson teaching, guidance after class, specialty file and interaction window, wherein the daily work comprises network office, online lesson preparation, interaction class, guidance after class and personal studio; the lesson preparation before class comprises network office, online lesson preparation, interaction class, guidance after class and personal studio; the lesson teaching comprises lesson resources, teaching design, teaching guidance, class practice, subject experiment and homework; the guidance after class comprises lesson resources, teaching design, teaching guidance, class practice, subject experiment and homework; the specialty file comprises a platform data management system and a speciality development query system; and the interaction window comprises personal space, basic information, teaching information, learning information, study information and guidance information. The invention realizes multi-requirement diversified lesson preparation schemes by electronic networking means.