1, haiku consists of five lines, seven lines and five lines 17 letters. Of course, this is based on Japanese.
There must be seasonal language in haiku. The so-called seasonal language refers to the seasonal language used to express the new year in spring, summer, autumn and winter. In seasonal languages, besides "summer rain" and "snow", there are also animal and plant names such as "cherry blossom" and "cicada". In addition, customs such as "lucky money" and "Yangchun noodles" are also widely used. These "seasonal theories" usually carry the nostalgia of modern Japanese for childhood or hometown.
Haiku is the quatrain of China's ancient poetry, which developed from Japanese style. At the same time, it developed in the form of daily poems in Japan.