The invention discloses a high-temperature resistant centrifugal fan, comprising a fan body, a driving group, a rotary joint and a cooling medium collector, wherein the fan body comprises an enclosure, a wind inlet, an impeller, a hub, a wheel disc and a wind outlet; the driving group comprises a main shaft and a belt wheel; the rotary joint is provided with a cooling medium inlet and a rotary joint seal; the main shaft is in a hollow structure, one end of the main shaft is connected with the hub of the impeller, and the other end of the main shaft is connected with the rotary joint; a core pipe is arranged inside the main shaft; an annular cavity is formed between the main shaft and the core pipe; the hub is in a hollow structure, and a hollow cavity is formed in the hub; the joint between the main shaft and the hub is provided with a cooling medium path; and the cooling medium enters the core pipe from a cooling medium inlet positioned on the rotary joint and is introduced into the hub via the cooling medium path to be cooled. According to the high-temperature resistant centrifugal fan disclosed by the invention, the fan can bear 1000-DEG C high-temperature gas delivery due to the hollow structures of the main shaft and the hub and the cooling of the cooling medium.