This Saline Injector is designed with the function to adjust the stepping speed and stroke as per the specific product and process requirements, so as to evenly inject the saline and the pickle agent into the meat slices and bone-borne meat, giving a shorter pickling period. The 72 needles can inject simultaneously and the injection pressure is adjustable as necessary. Meanwhile a specialty emulsification device is equipped with the Injector, which can thoroughly grind the additives of starch and albumen, no any particles left. The obliquely-positioned water return barrel and the agitating function can effectively prevent the settlement of all materials under processing. It features reasonable design, removable chain and easy cleaning, ideal equipment for superior meat-borne products and high productivity.