1. First of all, after we buy a new yoga ball, we should find the inflatable port of the yoga ball and unplug the plug on the inflatable port of the yoga ball.

2. Secondly, when pulling out the pin, look for the air tube. Yoga ball has a special inflatable tube. Don't get mixed up. Insert the small mouth of the inflatable tube into the inflatable port of the yoga ball.

3. Then connect the other end of the pipeline to the air inlet of the air pump. The air inlet is concave and the air outlet is convex.

4. Finally, press the air pump to inflate. Press the air pump to the bottom before releasing the air. After inflation, pull out the pipe and block the pin of the air inlet.