The invention provides a method for detecting an inner container of an electric rice cooker. The method comprises the following steps: sand blasting or sanding with a piece of sand paper is carried out for a test sample, washing and drying are carried out, paint is sprayed on a surface, the thickness of a film is determined according to the used product, the paint is placed in an oven for gradual heating, sintering is carried out at 380 DEG C for 10 minutes, and natural cooling is carried out to a room temperature for standby; the test sample is wiped with a piece of soft cloth with plant oil, and is cleaned with warm water containing a cleaning agent at 55-65 DEG C and dried; the test sample which is washed and cleaned is horizontally placed on an electric furnace for heating, and the temperature is controlled at 150-170 DEG C; the eggs are placed in the test sample, after eggs are solidified, the eggs are shoveled with chopsticks or a small shovel, and the sample surface does not have adhesive articles; the operation is repeated for ten times at the same position.