Abstract: A far-field beam quality testing system is designed for researching beam quality of far-field high-energy beam application.\ By the system,far-field beam’s space distribution,pulse waveform and center energy information can be attained simultaneity for the first time.The design and realization process of the system are introduced in collectivity design,hardware composing and software design,especially in realizetion of software.The beam quality testing system can attain timespace parameters effectively,and it’s available for farther evaluation in farfield beam quality.