At the beginning of the poem, "The old vine is a faint crow" and "On the branches of the old vine, several crows are standing by the nest", which shows readers a bleak and cold scene of late autumn and tightly grips their heartstrings. "Rattan", "tree" and "crow" are common scenery in rural areas, nothing special. But once they are combined with "withered", "old" and "faint", a bleak and cold atmosphere immediately rises between the lines and hangs over the readers' hearts. Coupled with smooth conversion and phonological coordination, "Ping-"