The correct way to divide the four seasons: according to the lunar month, the first three months of spring, April to June in summer, July to September in autumn and October to twelfth month in winter; Divided by 24 solar terms, the first six solar terms are spring, the seventh to twelfth solar terms are summer, the thirteenth to eighteenth solar terms are autumn, and the last six solar terms are winter; According to the solar calendar month, the temperature rises steadily above 10℃ in spring, above 22℃ in summer, below 22℃ in autumn, and below 10℃ in winter.