疟疾是由媒介昆虫蚊传播、在热带和亚热带地区广泛流行的感染性疾病 ,以发热、贫血和脾肿大为主要症状。近年来由于耐药性原虫和耐杀虫剂蚊的出现 ,疟疾患者人数急剧增加[1] 。据WHO最新统计 ,全世界每年约有 3亿人感染 ,死亡人数约为一百万 ,其中百分之九十为五岁以下的儿童[2 Malaria is a contagious disease that is widespread by vector insect mosquitoes and is endemic in the tropics and subtropics. The main symptoms of fever, anemia and splenomegaly are malaria. In recent years, due to the emergence of resistant protozoa and insecticide-resistant mosquitoes, the number of malaria patients has dramatically increased [1]. According to the latest WHO statistics, some 300 million people worldwide are infected each year, with a death toll of about one million, of which about 90% are children under five years of age [2