Method:

1, making PPT courseware.

2. Open the video software and teaching PPT on the computer screen at the same time. The lecturer should wear headphones, adjust the position and volume of microphone, adjust the position of PPT interface and screen recording interface, then project the image onto the back wall through the projector, click the "Recording Desktop" button and start recording. Teachers can explain while demonstrating, and can cooperate with marking tools or other multimedia software or materials to make the teaching process as lively and interesting as possible.

3. Make necessary treatment and beautification for the recorded teaching video.