A split electric rice cooker, comprising: a base provided with a weighing-device mounting groove at a bottom thereof; a cooker body apt to rest on the base and separable with respect to the base; a weighing device provided in the weighing-device mounting groove, and comprising a weighing sensor and a support leg connected with the weighing sensor, the weighing sensor being fixed in the weighing-device mounting groove; and a press cover provided to the bottom of the base and shielding the weighing-device mounting groove; characterised in that: the press cover comprises a weakening groove; the weighing sensor comprises a body portion and a cantilever weighing portion, the cantilever weighing portion being provided to the body portion and operable to be bent upwards and deformed with respect to the body portion; a limiting plate is provided in the weighing-device mounting groove, wherein the cantilever weighing portion is located below the limiting plate, and when the cantilever weighing portion is bent upwards and deformed with respect to the body portion, the limiting plate is apt to abut against the cantilever weighing portion to limit a position of the cantilever weighing portion; or the press cover is provided with a limiting portion, the limiting portion is located below the body portion, and the limiting portion is apt to move upwards with respect to the body portion along with the support leg to abut against a bottom surface of the body portion, and; wherein the press cover and the support leg are integrally formed, and the support leg is supported on a bottom surface of the cantilever weighing portion and is able to be deformed along with the press cover and push the cantilever weighing portion upwards. a base provided with a weighing-device mounting groove at a bottom thereof; a cooker body apt to rest on the base and separable with respect to the base; a weighing device provided in the weighing-device mounting groove, and comprising a weighing sensor and a support leg connected with the weighing sensor, the weighing sensor being fixed in the weighing-device mounting groove; and a press cover provided to the bottom of the base and shielding the weighing-device mounting groove; characterised in that: the press cover comprises a weakening groove; the weighing sensor comprises a body portion and a cantilever weighing portion, the cantilever weighing portion being provided to the body portion and operable to be bent upwards and deformed with respect to the body portion; a limiting plate is provided in the weighing-device mounting groove, wherein the cantilever weighing portion is located below the limiting plate, and when the cantilever weighing portion is bent upwards and deformed with respect to the body portion, the limiting plate is apt to abut against the cantilever weighing portion to limit a position of the cantilever weighing portion; or the press cover is provided with a limiting portion, the limiting portion is located below the body portion, and the limiting portion is apt to move upwards with respect to the body portion along with the support leg to abut against a bottom surface of the body portion, and; wherein the press cover and the support leg are integrally formed, and the support leg is supported on a bottom surface of the cantilever weighing portion and is able to be deformed along with the press cover and push the cantilever weighing portion upwards. the press cover comprises a weakening groove; the weighing sensor comprises a body portion and a cantilever weighing portion, the cantilever weighing portion being provided to the body portion and operable to be bent upwards and deformed with respect to the body portion; a limiting plate is provided in the weighing-device mounting groove, wherein the cantilever weighing portion is located below the limiting plate, and when the cantilever weighing portion is bent upwards and deformed with respect to the body portion, the limiting plate is apt to abut against the cantilever weighing portion to limit a position of the cantilever weighing portion; or the press cover is provided with a limiting portion, the limiting portion is located below the body portion, and the limiting portion is apt to move upwards with respect to the body portion along with the support leg to abut against a bottom surface of the body portion, and; wherein the press cover and the support leg are integrally formed, and the support leg is supported on a bottom surface of the cantilever weighing portion and is able to be deformed along with the press cover and push the cantilever weighing portion upwards.