公民身份号码是特征组合码，由十七位数字本体码和一位校验码组成。排列顺序从左至右依次为：六位数字地址码，八位数字出生日期码，三位数字顺序码和一位数字校验码。 -Feature combination citizenship code number is by the number of seventeen and a checksum code body composition. The order from left to right: six-digit address code, eight-digit date of birth, code, order code and a three-digit verification code numbers.