is your turn over after playing an action card and doing what the card says
In Fluxx what you do on your turn all depends on what the rules currently are so there is no one clear answer that can be given. If there is a rule in play that requires you to play multiple cards then the card you are talking about counts as just 1 of your actions and you need to continue, if there is not a multiple card play rule in effect then you are probably done.