The invention belongs to the field of tea leaf processing equipment, and discloses a fully-automatic tea leaf processing production line which comprises a first system and a second system which are symmetrically arranged and are of an identical structure, and further comprises a third conveyer belt, a fourth conveyer belt, a fifth conveyer belt and a sixth conveyer belt; the first system comprisesa plurality of rolling machines, a first conveyer belt, a deblocking machine, a second conveyer belt, a tea leaf output mechanism and a material feeding mechanism; the first conveyer belt is positioned below the outlet of the rolling machines; the output end of the first conveyer belt is positioned at the input port in the upper part of the deblocking machine; the second conveyer belt is positioned below the output port in the lower part of the deblocking machine; the output end of the second conveyer belt is positioned above the middle part of the third conveyer belt; the third conveyer beltis connected with the fourth conveyer belt; and the output end of the fourth conveyer belt and the output end of the fifth conveyer belt are both positioned above the middle part of the sixth conveyer belt. The production line is compact in structure, high in automation degree and possible in repeated kneading and rolling operation.