My three year old does not sleep early and only dozes off around 2 in the night. What do I do to make her sleep early?

Let her nap in the afternoons be short. Also, in the evenings either take her to the parks, make her run around, or play music for her and let her dance and jump. If she will be exhausted, she will sleep on time. Make her have full feed so that she doesn't wake up of hunger. Take her to the room, talk and play a little before bedtime. Switch off the lights and pretend to be sleeping with her, and since she would be tired of all the activity of the evening would sleep in no time.