The invention provides a mobile phone keyboard light guide plate with a metal spring piece, which comprises a plate body. The back of the plate body is printed with light guide points which are cylindrical protrusions made of light guide printing ink. The light guide plate is characterized in that the back of the body of the light guide plate is adhered with the metal spring piece; and the metal spring piece is adhered with the body through water-gel printing ink printed on the outer layer of the light guide points. The body of the light guide plate is a PU plate or a PC plate. The metal spring piece is in a circular shape. The invention also provides a process for producing the mobile phone keyboard light guide plate with the metal spring piece. A PET layer between the light guide plate and the metal spring piece is not required, so the overall thickness of the light guide plate is reduced, the contact between the keyboard and the spring piece is more direct, and the hand feels of pressing between the keyboard and the spring piece are improved. Moreover, the light guide plate is suitable for making thinner mobile phones and meets the market demands.