Metal mobile phone shell capable of protecting fingerprint identification device

The invention provides a metal mobile phone shell capable of protecting a fingerprint identification device. A fingerprint identification hole is formed in a position on the lower side of a camera hole; the fingerprint identification hole is arrayed in a manner of penetrating through the end surfaces of the front and rear sides of the shell; a protective edge is distributed at the edge of the fingerprint identification hole; a sliding chute is formed in a position on the right side of the fingerprint identification hole; a fixed shaft is mounted at the lower left corner of the fingerprint identification hole; a groove is formed inside the shell; the fixed shaft is mounted in a manner of penetrating through a turning ring; the turning ring is fixed with a cover plate through a connection rod; the cover plate and a fixed disk are mounted together through a connection rod; the fixed disk is located at the position of the sliding chute; the protective edge is fixed at the edge of the fingerprint identification ho