Cooking appliance and method for controlling cooking appliance

A cooking appliance comprising:

• a cooking container provided with a working space inside the cooking container, the working space including a cooking chamber, a mounting chamber, an exhaust chamber, and an exhaust port, and the mounting chamber, the exhaust chamber, and the exhaust port communicating with each other successively;
• a pressure limiting valve located in the working space and at least partially located in the mounting chamber, the pressure limiting valve being configured to allow or cut off a communication between the mounting chamber and the cooking chamber;
• and
• a temperature measurement device at least partially located in the exhaust chamber and configured to allow a fluid in the exhaust chamber to flow to the exhaust port through the temperature measurement device, an arrangement direction of the pressure limiting valve and the temperature measurement device being a preset direction, and the exhaust chamber extending from the pressure limiting valve to the temperature measurement device along the preset direction.