BACKGROUND*!The cases of infantile hydrocepholus bypath are few, its course is long and it is easily overlooked to could influence the development of infant.*!CASE REPORT*!

• 小儿脑积水分流术后钙化的硬膜下血肿病例较少见,且病程长,容易被忽略,影响患儿的精神健康和身体发育。