TRS President K Chandrashekhar Rao took a decision to this effect after unanimous opinion expressed by the party politburo on the matter, TRS sources said.
The party had earlier also charged Vijayashanti with indulging in anti-party activities.
Party sources said a show cause notice would be served on her asking her why she should not be suspended.
Vijayashanti, a popular south Indian actress represents Medak in the Lok Sabha, while K Chandrashekhar Rao the other party MP from Mahaboobnagar.
TRS sources said that there was a talk that Vijayashanti may not be fielded from Medak in the 2014 Lok Sabha elections.