\usepackage{subfigure}
%图片并排
% \begin{figure}
% \centering
% \subfigure[Small Box with a Long Caption]{
% \label{fig:subfig:a} %% label for first subfigure
% \includegraphics[width=0.5\textwidth]{2.eps}}
% \hspace{1in}
% \subfigure[Big Box]{
% \label{fig:subfig:b} %% label for second subfigure
% \includegraphics[width=0.5\textwidth]{3.eps}}
% \caption{Two Subfigures}
% \label{fig:subfig} %% label for entire figure
%\end{figure}
%图片竖排
\begin{figure}
\centering
\subfigure[子标题1]{
\begin{minipage}[b]{0.5\textwidth}
\includegraphics[width=1\textwidth]{2.eps}
\end{minipage}
}
\subfigure[子标题2]{
\begin{minipage}[b]{0.5\textwidth}
\includegraphics[width=1\textwidth]{3.eps}
\end{minipage}
}
\caption{大标题} \label{fig:1}
\end{figure}
