The present invention relates to the maleate, methanesulfonate, benzenesulfonate, hydrochloride, phosphate, L-tartrate, L-malate, citrate and fumaric acid of the compound represented by structural formula I Salt, and various crystal forms of each salt form, its preparation method and its application.本發明涉及結構式I所示化合物的馬來酸鹽、甲磺酸鹽、苯磺酸鹽、鹽酸鹽、磷酸鹽、L-酒石酸鹽、L-蘋果酸鹽、檸檬酸鹽和富馬酸鹽,及各鹽型的多種晶型,其製備方法及其應用。