This invention relates to a high-repetition rate Ti precious stone chirped pulse regenerative amplifier without spreader in which a green light pump source, a rear concave mirror, a focusing lens, Tiprecious stone crystal and front concave lens are set along a horizontal shaft direction on the mounting plate, an angle folding plane reflector, low end face plane reflector, thin film polaroid, Puckle box, along the second horizontal optical axis, a light beam lead reflector, light conductive reflector, separator, beam splitter, half wave palte are set along the third horizontal optical axis and upper end face plane reflector, dispersion prism, accumulation prism, aligned dispersion prism, output prism light beam lead reflector, light beam converting reflector, photoelectric converter.