The invention provides an intelligent fish catching robot and a fish catching method thereof. The intelligent fish catching robot comprises a controller, a fish catching device and a driving device. The driving device is controlled by the controller, and the driving device drives the fish catching device to throw a hook and lift a rod. The fish catching device comprises a fishing rod, a fishing hook and a lifting device, wherein the fishing hook is arranged on the fishing rod, the fishing rod is fixed through the lifting device, the driving device is in drive connection with the lifting device, and the fishing hook is provided with a position sensor and a pressure sensor. The controller comprises a microprocessor, a storage device and an intelligent analysis module, wherein the position sensor and the pressure sensor are electrically connected with the microprocessor, the storage device is electrically connected with the microprocessor, and the intelligent analysis module is electrically connected with the microprocessor. The intelligent fish catching robot which is simple in structure, small in size and capable of automatically recognizing the kinds and sizes of hooked fishes and the fish catching method of the intelligent fish catching robot are provided, and the technical problems that an existing fishing rod is single in function, and the practical need is hard to meet are solved.