The Complete History of Knights Hospitaller covers the long years of 900 years from the 11th century till now. It recalls the origin and development of hospitaller, introduces its organization structure and military life, restoring the classic battles of Jerusalem and Malta and restoring the famous figures such as Gerald, Valette, Caravaggio, Saladin and Suleiman. Since they were forced to leave Malta in 1798, the military features of knights hospitaller were weakened, but it still plays a unique role in modern society and has great influence in the whole world, as an ancient international public, charity and medical organization.