There are many food shops in Vientiane City in Hefei Administrative District, and which one is delicious needs to be selected according to personal tastes and preferences. The following are some shops that may be worth trying:

1. Hefei Emerald Jewelry Administrative District: This is a jewelry store located in Vientiane City, selling all kinds of jade jewelry, including jewelry, bracelets, necklaces and so on. The jade products in the store are of high quality and affordable, which is a good choice.

2. Vientiane City Food Plaza: Vientiane City Food Plaza is a good choice for all kinds of food and snacks, including fried chicken, hamburgers, grilled fish, Lamian Noodles, snacks, etc.

3. Hefei Library: Located in Vientiane City, Hefei Library is a large-scale comprehensive library with rich book resources and comfortable reading environment, which is the best choice for people who like reading.

4. Hefei Emerald Hospital: Hefei Emerald Hospital is a comprehensive hospital located in Vientiane City. It has advanced medical equipment and professional medical personnel, and provides all-round medical services. It is a good choice.

To sum up, there are many food shops in Vientiane City, Hefei Administrative District, and which one is delicious needs to be selected according to personal tastes and preferences.