Check this post:

https://www.researchgate.net/post/What_is_the_best_method_to_plot_data_into_smith_chart_I_have_S-parameters_data_and_I_want_to_plot_it_into_a_smith_chart

Thank you so much for your interest.

I think a simple way is using Excel form.

Is there software directly polt it after copy my data?

Sincerely,

--

Hayder S. Ahmed

I never had a need to plot such graphs, but will recommend to use Google search to find some software, or to follow a link given by Rajiv Baby in a post I wrote in my previous answer...