1, school edition: the person in charge of school safety informs the parents of primary and secondary school students all over the country about the distribution of a letter and the recovery of the receipt.

2. Teacher's Edition: Teachers (class teachers) conduct drowning prevention education for students in this class through PPT courseware, video clips and related resources provided by the "School Safety Education Platform".

3. Home Edition: Parents can improve their awareness and ability to supervise their children to prevent drowning through expert lectures on the learning platform.

Step 1: Enter the school safety education platform, log in the platform with the student's account, and click on the activity promotion picture or "My homework" to enter the special activity page.

Step 2: Click "Home Edition", choose "Children's Stage", "Primary School Stage" or "Middle School Stage" according to the children's learning stage, and learn the relevant knowledge of "prevention of drowning" according to the tips on the page.

Step 3: After learning, click the signature button to confirm the completion.