First have a consistant bed time. Put her to bed every night at the same time.
Take bath at 6: 00 pm
A two year old should be getting ready for bed at 7:00 pm. They need their sleep
Create a healthy sleep routine
One hour before bed time turn off TV, Radio, etc so her body can start preparing for sleep
No fluids after 7 pm If anything just a little water.
No caffine , but especially in the evening.
No playing and running around that will make it hard for her to settle down
Make sure she is in comfortable pajamas
Maybe read a story together
Hold her when you read
Ask other adults to talk in another room while you are reading.
talking all around her keeps her awake.
Maybe a little snack like fruit or one grahmn cracker, ritz cracker maybe five and small glass of milk
Don't let her sleep with a bottle in her mouth, it ruins her teeth,
That includes formular, kool aid, juice or water.
After reading the story together tell her that it is time to go to bed. You might alternate reading with listening to soft music together.
Take her to her bed and tuck her in
If you have a faith tradition you might say a prayer
Turn off the light and sit there for a few minutes next to the bed.
Don't close the door all of the way, when you leave. Children can get lonely and/or scared sleeping alone in a bedroom in the dark. She might need a nite light.
You might try one of those sound sets that plays waves or rain. Make it very low. Pay attention to see if she likes it. Some children can not sleep with sound on. I know I couldn't
Try giving her something to hug or hold onto. A soft toy. Keep that on her bed for night time.
Follow this routine every night like clock work. She should be sleep by 8 o'clock. If you do, her body will get in the habit of winding down for sleep.
What she is doing before bed has a significant impact on her sleeping habits.
If she cries or gets out of bed take her right back to bed and tuck her in. Keep doing that if she keeps getting up. If you don't she will cry or get up every evening. You have to enforce the routine. When you make her follow directions she will be much easier to parent in the long run. Don't get nervous if she cries, don't go get her. Stand your ground.
In general you have to set a routine for her day and night time.Naps at the same time every day. A two year old must take at least one nap during the day, maybe after lunch.
Hope this helps