儿才生.毕迟.或断脐晚者.令见冒冷.故寒中之也.又先断脐.后洗浴.则水气得入之.或洗时水气所干.亦为中寒之候.其证腹中绞痛.夭矫啼呼.面青黑.尿清白.当以当归末为粉.着于絮上.灸而熨脐腹.日日频熨.至啼止脐干为度.仍不可灸令大热.恐引惊也.