%%%use PDFLATEX
documentclass{article}


usepackage{tikz}
usepackage{tikz-qtree}
usetikzlibrary{positioning}




tikzset{edge from parent/.style=
{draw,
edge from parent path={(tikzparentnode.east)
-- +(14pt,0)
|- (tikzchildnode)}}}






begin{document}large




vspace{1cm}


begin{tikzpicture}
tikzset{grow'=right,level distance=100pt}
tikzset{execute at begin node=strut}
tikzset{every tree node/.style={anchor=base west}}


Tree
[.node(yawei){yawei};
 [.node(muqiu){muqiu}; ]
 ]


 begin{scope}[every node/.style={align=center, anchor=center, font=normalsizesffamilybfseries,rectangle,draw,text width=1.4cm,}]
 node[above= 2mm of muqiu ] (thenode) {22};
 node[at =(thenode-|yawei)] {21};
end{scope}
end{tikzpicture}








end{document}