Provided are salts of aminoquinazoline derivative, pharmaceutical compositions containing the salts or a combination thereof, and uses of the salts or the pharmaceutical compositions in the manufacture of a medicament for the treatment and prevention of proliferative diseases.本發明涉及氨基喹唑啉衍生物的鹽及其用途。本發明還涉及包含所述鹽或它們的組合的藥物組合物,以及所述鹽或所述藥物組合物在製備用於治療和預防增殖性疾病的藥物中的用途。