\documentclass{article}
\usepackage[fontset=fandol]{ctex}
\usepackage{zhnumber}
\begin{document}
\verb+\zhtiangan{1}+: \zhtiangan{1}
\verb+\zhdizhi{1}+: \zhdizhi{1}
\verb+\zhganzhi{1}+: \zhganzhi{1}
\bigskip
\zhnumsetup{T1=我的甲, D1=我的子}
\verb+\zhtiangan{1}+: \zhtiangan{1}
\verb+\zhdizhi{1}+: \zhdizhi{1}
\verb+\zhganzhi{1}+: \zhganzhi{1}
\end{document}
考虑下面的例子：