Low Impact, Weight-Bearing. But you can no longer luan luan lai.
For instance, you can do weights in the gym, but you must do it
slow and controlled, not jerky movements, like some idiots do.
And you must take caution on how heavy the
weights are and especially the right posture.
If your knee is that badly injured, best to work with a
physiotherapist to work out a reasonable exercise regime without
doing further damage.