Im not the exclusive source on ananomes but this will give you a gross idea.
First thing is you should have an established tank with fairly stable water peramiters.
Second is to prepair to have sime high output lights over the tank. I would say at a minimum 5 watts per gal
of light but 7+ watt per gal
more optimal. If given the choice between florecent or MH
lighting get MH
Third would be the proper substrate or rock work for the anneome. Some anenomes like a sandy substrate while others want to be firmly planted on a rock. Knowing where the anenome wants to go will help. Anenomes will move if they dont like where they are and if you have one on the move let it move where it wants because if you just move it back where you want it your gonna fight a battle of it moving and you putting it back.
Have a tank with decent water current so the tenticles on the anenome can flow back and forth. Feed your ananome directly raw shrimp or other meaty items on a regular basis.
These are just some general guidelines. Anenomes have a rather poor trackrecord in private aquariums.