"Wouldn't banishing be a form of escapism?"

That is true.

Danica has a very valid point. I personally (in view of negative planetary effects) end my banishings with an general invocation of the various Thelemic dieties. I leave it "open" at the end, i.e. I don't banish again at closing. Such is my daily or bi-weekly method and it works for me.

"Simple: banish.

If that doesn't work: banish again.

"

I would suggest the opposite method: invoke!

you could, for example, use the Invoking Hexagram ritual, accompanied with some meditative practice; or Sample Ritual #9 from "776 1/2" (a thread that touches the subject here: heruraha.net/viewtopic.php?f=85&t=11239).

the goal would be to become conscious of those planetary principles in yourself (that you feel are somehow expressed negatively, or are perhaps not expressed and that creates the problem), to integrate them consciously into your life, and to refine their expression.

If that doesn't work: banish again.

Also you can study the qualities and aspects of these negative planets and conquer these "effects" through knowledge and right action.

"How to deal with negative planetary effects like ''bad'' planets and retrograde planets? Suggest any metods you know. Or i need to accept that as my will/karma? Later i have cleaned emotional field, but it fills down with bad again."

You may want to take this to solunars.net instead of here.

To the extent that there's a generalizable answer, it's that planetary effects demand expression, but not a particular expression. Pick an expression that gives ful voice to the energies, and go with it.

Retrogradation is a minor effect at best - not to worry about it.