The utility model relates to a sucker rod frizing blowout preventer, include: take out oil pipe, scrape the factice ring, prevent spouting nipple joint and the nipple joint wall that dams, it dams the wall and is the closed ring of the non - that has breach shape to prevent spouting nipple joint and nipple joint, the major diameter of preventing spouting the nipple joint and level the same with the internal diameter of taking out oil pipe is fixed on taking out oil pipe's inner wall, the breach of the wall that the nipple joint dams that the wall is placed on preventing spouting the nipple joint and the nipple joint dams is relative with the breach position of preventing spouting the nipple joint, the upper surface of preventing spouting the nipple joint breach be equipped with with the nipple joint connecting axle that the wall is connected that dams, the connecting axle make the nipple joint dam the wall with prevent spouting the nipple joint and do the action of opening and shutting, still be equipped with in taking out oil pipe and scrape the factice ring, it is located the lower part position of preventing spouting the nipple joint to scrape the factice ring. The utility model discloses rational in infrastructure, convenient to use scurries on having prevented that oil gas from flowing and arouses and the well head overflow prevent the emergence of blowout effectively.