Observe glyphs, master basic strokes, practice stroke combinations and other methods.

1. Observe the font shape: Observing the cursive shape of the word "Yu" is the first step to write well. Carefully observing the length, curve, and relationship of each stroke to each other can help you understand font structure and writing style.

2. Master the basic strokes: Mastering the basic strokes is the key to writing Yu cursive script well. Basic strokes such as horizontal, vertical, strokes, and strokes must be expressed accurately and smoothly, maintaining an overall sense of balance, and with moderate attention to avoid being too stiff or unclear.

3. Practice stroke combinations: After mastering the basic strokes, you need to practice repeatedly and try different combinations. Through repeated practice, adding appropriate changes and turning points at the connections can increase the dynamics and artistic beauty of the work.