This can be written according to different target audiences, snack types and taste characteristics. The following are some specific suggestions:

1. Target audience: Determine who the target audience is, such as age group, gender, hobbies, etc. Choose relevant tags based on the characteristics of your target audience to attract their attention. For example, if the target audience is young women, you can choose tags such as "food", "snacks", and "desserts".

2. Types of snacks: Consider the types of snacks promoted, such as potato chips, chocolate, candies, nuts, etc. Choose tags related to the type of snack to make it easier for users to find your video. For example, if you are promoting potato chips, you can choose tags such as "potato chips", "snacks", and "food".

3. Taste and characteristics: Consider the taste and characteristics of snacks, such as spicy, sweet, sour, healthy food, etc. Choose tags related to tastes and features to attract users with corresponding tastes. For example, if the snack is spicy, you can choose labels such as "Spicy Snacks", "Spicy Food", "Spicy Snacks", etc.