"i try using the networkx package to do that,but I failed. " This statement isn't providing much detail for us to go on as to where your issues are. Do you have a very simple file such as in cytoscape.js format that you can share and demonstrate what you aren't following from the documentation like the NetworkX documentation for 'cytoscape_graph'? See How do I ask a good question? as a good guide. In particular there is a section 'Help others reproduce the problem'. It makes it a solid foundation to discuss if you can try to include a minimal reproducible example.