The invention discloses a novel multi-frequency tumor therapy apparatus. The novel multi-frequency tumor therapy apparatus is characterized by comprising a mechanical unit, a computer unit, a waterway circulation device, a control display module, a three-path optical fiber temperature measurement module, a microwave power source, a radio frequency power source, a radio frequency ablation needle, a microwave ablation needle, a double-path temperature measurement needle, an orientation module and a power module, wherein the mechanical unit comprises an enclosure and a rear enclosure cover; the control display module comprises a touch computer screen and a control panel, which are arranged outside the mechanical unit; the three-path optical fiber temperature measurement module, the microwave power source, the radio frequency power source, the power module and a circulating pump are arranged in the mechanical unit; the waterway circulation device comprises a water storage bag, a recovery bag and the circulating pump connected with the water storage bag and the recovery bag. According to the novel multi-frequency tumor therapy apparatus, the technical advantages of radio frequency ablation and microwave ablation are combined and comprehensively utilized to achieve optimal clinical tumor ablation effects; the novel multi-frequency tumor therapy apparatus is novel in design, convenient to operate and popularize and high in working efficiency and accuracy, and has good using effects.