Spill-proof pot cover assembly and cooking utensil

The pot cover assembly comprises a surface cover, a lining cover and an inner cover assembly, the lining cover is provided with an exhaust port, the inner cover assembly comprises an inner cover and a sealing piece installed on the inner cover, the sealing piece is provided with an air inlet, the lining cover is provided with a steam valve cover protruding towards the surface cover, and the steam valve cover is provided with an air outlet. The sealing element is in sealing fit with the steam valve cover to form a steam cavity communicated with the air outlet and the air inlet, the steam valve cover is provided with a partition plate extending towards the sealing element, the partition plate divides the steam cavity into an air inlet cavity and an air outlet cavity, and the bottom of the partition plate is matched with the sealing element to form an overflowing gap. The cooking utensil comprises a pot body with a cooking cavity and a pot cover used for opening or closing the cooking cavity, and the pot cover i