1. Unlock the iphone to the home page, find and open your own application map. As shown in the figure.
2. After entering the map application, the blue circle represents your position, and click on the blue circle. As shown in the figure.
3. Click on the blue circle, and the My Location menu will pop up. Select my location in the lower left corner. As shown in the figure.
4. After choosing to mark my position, a pin (mark) will appear. As shown in the figure.
5. Select another area where you want to place the pin (marker), and press and hold this area. As shown in the figure.
6. Long press on this area will place a second pin (marker) on the map. As shown in the figure.
7. Select the third area, press and add the third pushpin (marker), and place more than two pushpins on Apple's own map. As shown in the figure.