1, Chengde is located in the hilly area, and there are many native products of dried fruits, such as almonds, chestnuts and Prunus humilis. These native products all contain high calcium, iron, vitamins and other essential nutrients.
2. Mushrooms on the dam. The paddock dam is over 2000 meters above sea level. The temperature difference between morning and evening is large. There are many kinds of mushrooms in this area. Mushrooms are rich in nutrition, containing more protein, fat, carbohydrates and crude fiber which is beneficial to digestion. They are easy to collect and cultivate, cheap and good.
3. Palace products in Qing Dynasty, such as bracken, also known as auspicious dishes and longevity dishes, are all wild plants. Pteridium aquilinum in Chengde was regarded as a tribute in Qing Dynasty, and the local people liked the dishes cooked with Pteridium aquilinum very much.
Extended data:
The development of history
Chengde has a long history and rich multi-ethnic historical and cultural connotations. According to the textual research of unearthed cultural relics, there were traces of human activities in Chengde area as early as the Longshan culture period in the Central Plains.
After the Qin and Han dynasties, the central governments of all dynasties set up administrative agencies here. In the long history, the economy and culture of the Han, Xiongnu, Wuhuan, Xianbei, Kumoxi, Qidan, Turkic, Mongolian and other ethnic groups here have been further developed.
In the forty-second year of Kangxi in Qing Dynasty (1703), the Qing court built a palace here, and the population increased day by day. In the forty-seventh year of Kangxi (1708), the Jehol Palace was put into use, marking the Jehol entered a period of development.
In the first year of Yongzheng (1723), the Jehol Hall was set up, and in the second year, the main manager of Jehol was set up, in charge of civil affairs in Dongmeng. In the 11th year of Yongzheng (1733), Yong Zhengdi followed his father Kangxi's practice of naming Fengtian as Chengde, named the Jehol at that time as Chengde, and changed the Jehol Hall to Chengde House.
Baidu Encyclopedia-Chengde