The invention relates to a claw type hydrogen circulating pump. The claw type hydrogen circulating pump comprises a first shell body, a bearing end cover connected with the first shell body, and a second shell body connected with the bearing end cover, wherein a gear chamber is formed between the first shell body and the bearing end cover, two self-lubricating gears which are meshed with each other are arranged in the gear chamber, and no lubricating oil exists in the gear chamber; the two self-lubricating gears are correspondingly connected with a driving shaft and the driven shaft; a rotor chamber is formed between the bearing end cover and the second shell body, and two mutually matched three-jaw rotors are arranged in the rotor chamber. According to the claw type hydrogen circulating pump, the synchronous gears of the rotors adopt a novel technology of non-metal self-lubricating, and has the characteristics of high temperature resistance and no need of lubrication, therefore, lubricating oil does not need to be added in the gear chamber, the oil-free operation of the hydrogen circulating pump is realized, and the problem of the lubricating oil leakage is fundamentally solved; and moreover, the self-lubricating gears of non-metal material further has the advantages of wear resistance and low noise, the replacement maintenance of the lubricating oil is not needed, and equivalently, the maintenance-free of the gears is realized.