This product is suitable for pruning and flavoring drying of Prunus davidii and walnut. It is designed according to the characteristics of pruning production process. The production line is composed of sterilizer, flavoring machine, air drying, hot air drying box, conveyor and cooler. The whole process is continuous and automatic production. It adopts doublesided bidirectional air inlet, low energy consumption, automatic temperature control by zone, static drying and simple operation Single, uniform drying, one machine multi-purpose, according to the user's site free design combination, processing capacity 2t-10t / day.