The efficacy and function of yam eggs are similar to those of yam.

Yam eggs, scientific name is potato, also known as: potato, potato, yam, yam egg, ground egg; steamed bun egg, potato boy (common name for people in Hong Kong and Guangzhou), etc. It is an annual herb of Solanaceae family. According to the origin, nature, flavor and shape of potatoes, people have given potatoes many interesting names. For example: Italians call it potato, French people call it potato, Germans call it potato, Americans call it Irish jicama, and Russians call it potato. It is called Dutch potato; it is called taro or Yangshan potato in Yunnan and Guizhou areas of my country, it is called sweet potato in Guangxi, it is called yam egg in Shanxi, and it is mostly called potato in the northeastern provinces. Also known as potatoes, potatoes, yam, yam, yam eggs, steamed buns, potato pods (common name for people in Hong Kong and Guangzhou), etc. In view of the confusion of names, botanists gave it a universal scientific name - potato. Tubers are edible and are an important food and vegetable crop. Some scholars believe that there are only 7 cultivated species of potato, mainly distributed in the temperate and subtropical areas of the Andes Mountains of South America and its nearby coastal areas. The most important potato cultivars are the tetraploid species. Tetraploid cultivated potatoes spread all over the world. The short-day type was first introduced from Colombia in South America to Spain in Europe in 1570. After artificial selection, it became the long-day type; later it spread to Asia, North America, southern Africa and Australia. Waiting places. Potatoes were introduced into our country only over a hundred years ago. It is said that overseas Chinese introduced it from Southeast Asia. It is mainly grown in areas with cooler climates such as Northeast my country, Inner Mongolia, North China and Yunnan-Guizhou. my country's potato planting area now ranks second in the world. Potatoes have high yields, rich nutrition, and strong adaptability to the environment. They are now spread all over the world. In tropical and subtropical countries, they can be cultivated and obtain higher yields even in winter or cool seasons. The world's major potato producing countries include the former Soviet Union, Poland, China, and the United States. The main potato producing areas in China are the southwest mountainous areas, northwest, Inner Mongolia and northeastern regions. Among them, the sown area in the southwest mountainous area is the largest, accounting for about 1/3 of the country's total area. Tengzhou, Shandong Province is named the "Hometown of Potatoes in China" by the Ministry of Agriculture of China, while Heilongjiang Province is the largest potato planting base in the country. Dongkou County is located in the Xuefeng Mountain Basin. It has a mild and humid climate, a large temperature difference between day and night, a pollution-free environment, and very good ecological conditions. Due to heavy rain, fog, and low temperatures, it is particularly suitable for potato development and produces high-yield, high-quality, non-toxic potatoes. Potatoes have uniform individual size, few pests and diseases, high starch content, good taste, large size, thin skin, and fresh color. Potato food is sweet and delicious.

Yam, the scientific name is Dioscorea, aliases: yam, Huaiyam, Huaiyam, potato, yam, potato, Yuyan. There are 650 species of monocots in 10 genera, widely distributed in temperate and tropical regions around the world. my country has 1 genus of Dioscorea and about 80 species. Distributed in various provinces and regions in North my country, Northwest China and the Yangtze River Basin. Cultivators call it domestic yam, and wild people call it wild yam; Chinese medicinal materials are called yam, yam, yam, etc. Because of its rich nutrition, it has been regarded as a high-quality and low-cost tonic since ancient times. It can be used as a staple food, a vegetable, and can also be made into snacks such as candied haws. Our country is mainly produced in Boai, Qinyang, Wuzhi, Wenxian and other places in Henan Province. It is also cultivated in Hebei, Shanxi, Shandong, central and southwestern regions and other regions. In winter, excavate after the stems and leaves have withered, cut off the roots, wash and dry. There are two main types of yams cultivated in China: ordinary yam and field potato. Ordinary yam tubers are small, among which the yam produced in ancient Huaiqing Prefecture (now Qinyang, Henan) is particularly valuable and is known as "Huai Shen" and is the best in the country.