病例报告　男,70天。系第四胎第三产,足月顺产,生后一般情况好,母乳喂养。自生后5天起腹泻,一日稀便6～7次,未治疗;约20天后腹泻明显加重,一日10余次,黄色稀便,伴发热、恶心、呕吐,体重不增,在当地医院按肠炎治疗半月腹泻好转。近1周来发热、咳喘、频吐、拒奶,曾四肢抽搐数次,? Case report male, 70 days. Department of the third birth of the fourth child, term full-term, after birth, the general situation is good, breastfeeding. 5 days from the birth of diarrhea, loose stools 6 to 7 times a day, untreated; about 20 days after the diarrhea was significantly worse, more than 10 times a day, yellow loose stools, with fever, nausea, vomiting, weight gain, at the local hospital According to enteritis treatment half diarrhea improved. Almost a week to fever, cough, frequent vomiting, refusing to milk, had convulsions limbs several times?