1. product introduction: product introduction is the most critical part in product introduction, and it also explains what the product is. Like drinks.

2. Product function: Product function is also one of the parts that need to be briefly explained. For example, to lose weight, it is necessary to explain healthy slimming or stovepipe.

3. Product principle. Different products in this part are written in roughly the same way, such as what the ingredients are and what the functions of the ingredients are.

4. Product shelf life, precautions, usage, etc. These basic elements are similar to product specifications.