In most places, the market price of potatoes will not exceed three yuan. In recent years, the planting area of potatoes has become larger and larger. The annual output is very high. Coupled with the impact of the epidemic, it is difficult to increase the price of potatoes. However, relatively speaking, the price of potatoes in some first-tier cities may exceed four yuan.

Potato generally refers to taro. Yam taro is a herb of Solanaceae, which can reach 80 cm in height and is hairless or sparse. Underground stems are thick, oblate or oblong, and leaves are odd-numbered pinnately compound leaves with unequal lengths.