The invention discloses a new-typed cerium metaphosphate crystal with molecular formula at CeP3O9 in the orthogonal crystal system, wherein the spatial group is C222 (1); a is 8.6059; b is 11.2437; c is 7.3518; alpha equals beta and gamma, which is 90; V is 711.4 3. The crystal system is grown in the flux through high-temperature solid-phase method, which is fit for small-sized high-power solid purple laser.