need some help

Hi, all:

Can someone help me out? I have basic question about graphics in Latex. In
my thesis, I want to draw graphs. I use "pstricks" to make an experimental
graph, it requires the mode to be "latex=>ps=>pdf", I used this mode and it
worked in terms of drawing the graph correctly, however, other words in the
main text of the paper can not be converted. if I switch back to the mode
"latex=>pdf", then the graph can not be drawn. I use Miktex and tex center
in editting. I 've consulted many online sources, but still can not figure
it out. Step by step instruction would be greatly appreciated.

Thanks a lot.:)
Ming
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