We have developped a new type of fast tuning noncollinear optical parametric laser.The wavelength of the laser can be tuned fast and exactly by changing the angle between bump light and the optical axis of the nonlinear crystal.The wavelength can be tuned from 400 nm to 700 nm,covering the whole visible wave band.The orientation of bump light can be controlled by a rotating plate produce of by Newport corporation.It's resolution is 0.001 0 and it's fastest rotating speed can reach 1.5 0/ms.The rotating angle,speed and direction can be controlled through RS 232 serial port of a computer.This can ensure that the weavelength of the laser can be tuned fast and exactly.