答案1
希望我能正确理解您的指示。
\documentclass[tikz,border=10pt]{standalone}
\usetikzlibrary{trees,shapes,positioning}
\begin{document}
\begin{tikzpicture}[level distance=4.5cm,grow=east,sibling distance=3cm,
every node/.style={draw,text width=2.5cm}]
\node {Root}
child {
node {\begin{itemize}
\item duck
\item koala bear
\item marmot
\end{itemize}}
}
child{
node {\begin{itemize}
\item duck
\item koala bear
\item marmot
\end{itemize}}
};
\end{tikzpicture}
\end{document}