The invention discloses a knapsack type walking high-legged vehicle for roxburgh rose picking, which comprises a knapsack moving mechanism, a shearing and fastening mechanism, a conveying mechanism, arotary screening mechanism and an oscillating and bin-packing mechanism, wherein the shearing and fastening mechanism is arranged on the right side wall of the knapsack moving mechanism, the conveying mechanism is arranged on the left side of the knapsack moving mechanism, the oscillating and bin-packing mechanism is arranged on the knapsack moving mechanism, and the rotary screening mechanism isarranged on the oscillating and bin-packing mechanism. The invention belongs to the technical field of agricultural machinery, and particularly provides the knapsack type walking high-legged vehiclefor roxburgh rose picking which has the advantages of high practicability and comfort, simple operation, convenient movement, high safety coefficient, and nondestructive picking of roxburgh rose. Theknapsack type walking high-legged vehicle for roxburgh rose picking can overcome the problem of difficult picking of roxburgh rose in the middle of a plant, can automatically and nondestructively screen roxburgh rose in real time, and can automatically bin the screened roxburgh rose, so that the storage time of the roxburgh rose is effectively prolonged and the transportation and sales of the roxburgh rose are convenient.