Perilla leaf is a kind of vegetable, and its price has soared after entering winter this year. As an annual herb, Perilla leaf is not hardy and will wither in winter. Last month, the cold wave cooled down obviously, and the main winter producing areas such as Guangdong and Guangxi suffered from freezing damage obviously, and the output decreased. Therefore, the price has soared in the market, and one catty has risen to 25 yuan.