The invention relates to a nozzle which can be used for jetting high temperature alloy liquid, in particular to an aluminium titanate nozzle for producing an iron-based amorphous alloy strip. The invention further relates to a manufacturing process of the aluminium titanate nozzle. The nozzle is mainly made of aluminium titanate. The manufacturing method comprises the steps of blank manufacturing, seam spraying rough machining, sintering and seam spraying fine machining. The aluminium titanate nozzle and the manufacturing method thereof can be suitable for meeting the demand for continuously producing the amorphous strip.