The notice of party school's file business training begins with the address, indicating the purpose, explaining the time, reminding the matters needing attention, and sending a text message to the leader after being polite.

1. Opening address: You can use "Dear Leader" and "XX Leader" to show respect.

2. Statement purpose: At the beginning of the short message, clearly state the purpose of this short message, such as "I am in charge of archives business training at the Party School, and hereby inform the leaders to participate in this training".

3. Explain the time, place and content: explain the time, place and content of training in detail, so that leaders can accurately grasp the time and place and make preparations.

4. Reminder: At the end of the short message, you can remind leaders of matters needing attention during training, such as paying attention to time arrangement and absorbing training contents.

5. Polite ending: At the end of the message, express gratitude and expectation, such as "Thank you for your support and participation, and look forward to the presence of the leader".