In this tutorial i will show you how to make a fire arrow in minecraft pe 7.1
Step 1: Starting
Place one fire proof brick on the floor but not near water
Step 2: Starting the Fire
Use a lava bucket and tip one touch of lava on top of the brick
Step 3: Start Fireing
Let the lava expand across the floor then shoot arrow through the top of the lava. And the arrow will be on fire.