1. Before boiling milk, pour the milk into the pot, bring to a boil over high heat, then turn to low heat, maintain a slight boil, and cook for 5-10 minutes.

2. When boiling milk, stir constantly to prevent the milk from boiling and overflowing or scorching the pot.

3. The cooked milk should be uniformly milky white, with a thin layer of milk skin on the surface, and no bubbles or odor.

4. The boiled milk can be drank directly, or an appropriate amount of sugar or honey can be added to make it taste better.