1. Shooting with external video tools (camera+blackboard or electronic whiteboard) (1) Tools and software: teaching demonstration tools such as camera, blackboard (electronic whiteboard) and chalk (2) Methods: Synchronous shooting in the teaching process (3) Brief description of the process: 1. According to the theme of micro-course, carry out detailed teaching design and form teaching plans; 2. Using the blackboard teaching process and shooting the whole process with a portable video recorder; 3. Simple video post-production can make necessary editing and beautification. Advantages: teachers' pictures can be recorded, teachers can give lectures according to their daily habits, without changing their habits, and the contents on the blackboard are synchronized with the teachers' pictures; Disadvantages: Special studio environment is needed, the cost of equipment and environment is high, many people need to cooperate to complete the shooting of micro-lesson video, and the efficiency is low, and the later editing needs the cooperation of professionals. 2. Simple shooting with portable video tools (mobile phone+white paper) (1) Tools and software: mobile phone capable of video shooting, more than a dozen white papers, pens with different colors, and teaching plans of related topics (2) Methods: Record the teaching process of calculus with portable video tools, and write with paper and pen (3) Brief description of the process: 1. Detailed teaching design of micro-course theme. 2. Show the teaching process on white paper with a pen, and you can draw, write and mark. With the help of others, shoot the teaching process with a mobile phone. Try to ensure that the pronunciation is clear, the picture is stable, the calculus process is logical, and the problem-solving or teaching process is clear and easy to understand. 3. It can be edited and beautified as needed. Advantages: the tools are not ready-made: the recording effect is rough, the sound and picture effects are poor, and only the handwritten content can be expressed, and other effects cannot be realized. 3. Screen recording (screen recording software +PPT) (1) Tool software: computer, earphone (with microphone), video recording software CamtasiaStudio or micro-platform micro-course production system. Ppt software (2) Method: screen recording ppt presentation, supplemented by recording and subtitles (3) Brief description of the process: 1. Carry out detailed teaching design on the theme of micro-course, and form a teaching plan; 2. Layout various teaching objects (supporting various multimedia objects) in the micro-platform software; 3. Record the teaching process synchronously through the micro-platform micro-lesson production system; 4. Make necessary editing and beautification. Advantages: the "micro-podium" micro-lesson production system is simple to operate and the use style conforms to the user's habits; Flexible use of various teaching resources and materials; Really restore the blackboard teaching mode; It is not enough to easily synthesize and edit voice and video, and easily generate video files in various formats: the video editing function is not as powerful as professional video editing software.