1. First of all, when writing an advertising copy, it is necessary to come straight to the point, let people understand what the work wants to promote, and highlight the theme of removing the red blood on the device.

Secondly, when writing advertising copy, try to be simple and easy to understand. Don't use words that others often don't use. Briefly explain what you want to promote, so that the public can better remember that it can be warm-blooded.

3. Finally, when designing advertising copy, try to make the documents appear repeatedly, which will deepen readers' memory of the propaganda content, make it easier for people to continue the product and increase the publicity of advertisements.