Abstract: For embedding fiber sensor in metal,ultrasonic welding of T2 copper and 1100(L4) aluminium were carried out,and the fiber sensor was embedded in copper and aluminium foil.For selecting the protection method for the fiber sensor,the embedded fiber sensors with bare fiber,fiber with chemical plating coat and fiber with chemical-electro plating coat were tested respectively.The embedding strength of the fiber was evaluated by the tensile test and the light intensity loss of the embedded fiber was evaluated by the light detector.The results show that aluminium foil could be used for embedding the fiber sensor.Chemical-electro plating method could be used as the protection method for the fiber sensor.The average embedding strength was 45 N and the light intensity loss was 0.22 dB.