The invention relates to a cutting machine special for machining herbal traditional Chinese medicine. The cutting machine special for machining the herbal traditional Chinese medicine comprises a machine frame device, a cutting device and a conveying device. The machine frame device comprises a lower machine frame, four rollers, a motor, a first belt pulley, an upper machine frame, bolts, a safety shield, a discharging groove, a material groove and pins. The four rollers are installed on the lower machine frame. The motor and the upper machine frame are fixed to the lower machine frame through the bolts. The discharging groove and the safety shield are fixed to the upper machine frame through the bolts. The material groove is welded and fixed to the upper machine frame. The first belt pulley is fixed to the motor through the pins. The conveying device comprises a conveyer belt adjusting assembly, a lower conveying roller assembly, an upper conveying roller assembly and a belt wheel adjusting assembly. The cutting machine special for machining the herbal traditional Chinese medicine is reasonable in structural design and adopts mechanized control, the cutting device and the conveying device are tightly combined, and conveyance and cutting of the herbal traditional Chinese medicine are achieved.