Fresh cut flower postharvest comprehensive treatment device

The invention relates to the technical field of fresh cut flower storage, in particular to a comprehensive treatment device for picked fresh cut flowers. The comprehensive treatment device for the picked fresh cut flowers comprises a container, a pressure difference air guide assembly and an ultrasonic nebulizer, the pressure difference air guide assembly is arranged in the heat preservation box body and comprises a ventilation box and an air guide baffle; the ventilation box comprises a top plate, a back plate and two ventilation side plates; a plurality of ventilation holes are uniformly formed in each ventilation side plate; an air return channel is formed between the back plate and the bottom surface of the heat preservation box body; a ventilation interlayer is formed between the ventilation box and the heat preservation box body; the air guide baffle is arranged in the ventilation interlayer, arranged between an air outlet and an air return opening of the evaporator in a blocking mode and used for divid