When designing the name of the poster, we can consider the following aspects:

1. Theme relevance: Ensure that the name of the poster is related to the theme of the poster, which can accurately convey the content of putting an end to food waste and building a civilized campus.

2. Attractive: Choosing an attractive and eye-catching name can attract people's attention and interest.

3. Concise and clear: Choosing a concise and clear name can make the audience quickly understand the theme and purpose of the poster.

The following are the names of several poster design works that may be applicable:

1. "Save delicious food and build a campus": emphasize the problem of food and beverage waste, and highlight the theme of saving and building a civilized campus.

2. "Food is precious, and * * * care for it": highlight the preciousness of food and advocate that everyone * * * protect and cherish food.

3. "Zero tolerance for waste, civilization starts from the dining table": emphasize the attitude of zero tolerance for waste, advocate starting from the dining table, and build a civilized campus.

4. "Taste delicious food and embrace environmental protection": while emphasizing delicious food, advocate environmental awareness and create an environmentally conscious campus environment.

These are just some possible names. You can choose or modify them according to your actual needs to ensure that the names of the works match the theme of your poster.