An electric vacuum cleaner comprising: a main body case housing an electric blower; and a dust collecting device which is detachably provided on the main body case, and separates and traps dust from air containing dust sucked by operation of the electric blower, wherein the dust collecting device includes: a first centrifugally separating part for separating part of dust in air containing dust; second centrifugally separating parts which communicate with the first centrifugally separating part, are positioned above the first centrifugally separating part, and separate dust contained in air which has passed through the first centrifugally separating part and is smaller than dust separated by the first centrifugally separating part; and an opening/closing lid part which can open/close a part positioned under the second centrifugally separating parts and guides dust separated by the second centrifugally separating parts to the first centrifugally separating part side by opening the part positioned under the second centrifugally separating parts, characterized in that: the first centrifugally separating part includes, at its central part, a structure for turning air containing dust along its outside, and the opening/closing lid part is provided integrally with the structure. a main body case housing an electric blower; and a dust collecting device which is detachably provided on the main body case, and separates and traps dust from air containing dust sucked by operation of the electric blower, wherein the dust collecting device includes: a first centrifugally separating part for separating part of dust in air containing dust; second centrifugally separating parts which communicate with the first centrifugally separating part, are positioned above the first centrifugally separating part, and separate dust contained in air which has passed through the first centrifugally separating part and is smaller than dust separated by the first centrifugally separating part; and an opening/closing lid part which can open/close a part positioned under the second centrifugally separating parts and guides dust separated by the second centrifugally separating parts to the first centrifugally separating part side by opening the part positioned under the second centrifugally separating parts, characterized in that: the first centrifugally separating part includes, at its central part, a structure for turning air containing dust along its outside, and the opening/closing lid part is provided integrally with the structure. a first centrifugally separating part for separating part of dust in air containing dust; second centrifugally separating parts which communicate with the first centrifugally separating part, are positioned above the first centrifugally separating part, and separate dust contained in air which has passed through the first centrifugally separating part and is smaller than dust separated by the first centrifugally separating part; and an opening/closing lid part which can open/close a part positioned under the second centrifugally separating parts and guides dust separated by the second centrifugally separating parts to the first centrifugally separating part side by opening the part positioned under the second centrifugally separating parts, characterized in that: the first centrifugally separating part includes, at its central part, a structure for turning air containing dust along its outside, and the opening/closing lid part is provided integrally with the structure. the first centrifugally separating part includes, at its central part, a structure for turning air containing dust along its outside, and the opening/closing lid part is provided integrally with the structure.