Tobacco leaf maturity detector and tobacco leaf maturity detection method using same

The invention relates to a tobacco leaf maturity detector and a tobacco leaf maturity detection method using the same. The tobacco leaf maturity detector comprises a rack, a microcamera, a tobacco leaf placing part, a top extrusion part and a stretching part connected with the tobacco leaf placing part, the microscopic camera is positioned above the tobacco leaf placing part; the tobacco leaf placing part comprises two clamping plate parts, and the two ends of tobacco leaves are clamped between the two clamping plate parts respectively; the stretching part comprises a stretching assembly, the stretching assembly is connected with any clamping plate part through a tension sensor, and the stretching assembly drives any clamping plate part to move in the direction away from the other clamping plate part; the jacking part comprises a jacking assembly, the jacking force sensor is arranged at the end of the jacking force assembly, and the jacking assembly is close to the middle of the two clamping plate parts. Acco