The invention relates to dehydroandrographolide succinate crystal and use thereof, and particularly relates to a compound in a formula shown in the specification, wherein Cu-Kalpha radiation is utilized; and diffraction peaks are formed at the parts which are about 10.60 degrees, about 12.76 degrees, about 14.58 degrees, and about 15.66 degrees in a powder X-ray diffraction pattern represented by a 2*theta angle. The compound disclosed by the invention has good pharmaceutical properties.