1. There are restaurants in the Forbidden City, and there are more than one. There are three famous restaurants, namely: Ice Room Restaurant, Palace Restaurant and Palace Restaurant (Jingyunmen Store). The icehouse restaurant in the Forbidden City is newly built, so its area is relatively large and its popularity is relatively high. It is considered a popular restaurant. The other two restaurants have no specific names, but they are called the Forbidden City Restaurant, and they also have a lot of food.
2. The specific location of the Ice Room Restaurant in the Palace Museum is on the south side of Cining Palace. The Palace Restaurant (Jingyunmen Store) is located in the Palace Museum (outside Jingyunmen on the east side of Baohe Hall, opposite the Bell Hall). I can't remember the location of another restaurant.
According to other third-party software, the icehouse restaurant in the Forbidden City is very popular, with a lot of food and not too expensive. Everyone can eat at the age of 60. As for the Forbidden City Restaurant (Jingyunmen Store), the price is similar. So eat everywhere.
As for the corner restaurant, which is deeply loved by people, it is not in the Forbidden City. You can eat without buying a ticket, but there are people all year round. If you want to go, be sure to make an appointment in advance.