1. Five-finger pen-holding method: Keep the four fingers of your right hand together naturally, with your thumb pointing upward naturally.
2. Bend the ring and little finger of your right hand naturally, and the index finger of your middle finger, naturally bend it slightly.
3. Hold the pen in your left hand directly on the middle finger and ring finger, and hold the pen vertically in your right hand.
4. Press the pen barrel with your thumb, which is the correct pen holding posture.