Chengdu is a gourmet city with many delicious restaurants and foods. The following are some light and delicious restaurants and foods in Chengdu:

1. vegetarian food: there are many vegetarian restaurants in Chengdu, such as jujube tree, Zen Yuezhai and vegetarian taste. The dishes in these restaurants are mostly vegetarian, light and healthy, and taste good.

2. Cantonese cuisine: Cantonese cuisine is a relatively light cuisine. There are also many Cantonese restaurants in Chengdu, such as Shangpin Clay Pot Rice, Chaoshan Beef Hotpot, Hakka Pot Cuisine, etc. The dishes in these restaurants are light and nutritious.

3. Hot pot: Although hot pot is usually considered as spicy, there are also some light hot pot restaurants in Chengdu, such as three-eared hot pot cold pot fish, Tan fish head, etc. The hot pot in these restaurants is light in taste and fresh in ingredients.

4. Snacks: There are many snacks in Chengdu, such as steamed dumplings, steamed buns, Ciba, etc. These snacks are light and nutritious, and can be used as a light food choice.

To sum up, there are many light and delicious restaurants and delicacies in Chengdu. You can choose your favorite dishes in these restaurants according to your own tastes and preferences.