No.

1. When the bottom of the water is heated, the hot air will rise, and the cold water above will flow downward along the outer wall. This is called convection, so the water will open.

2. The purpose of stewing soup in a Jinzao stew pot over high heat is naturally to quickly increase the temperature of the soup. After the soup boils, due to the boiling evaporation of water, no matter how high the fire is, it will not increase the temperature of the soup, but will reduce the content of the soup. The amount of water is enough to keep the soup from simmering, so turn on low heat at this time.