A gas cooker, comprising a case; a top plate shielding an upper surface of the case, and on which food is seated; a plurality of burners provided inside of the case; an electric valve unit controlling a gas supply to the plurality of burners; a main pipe connected to the valve unit and supplying gas; and a plurality of branched pipes respectively connected to the electric valve unit and the burners, wherein the electric valve unit comprises: a main valve connected to the main pipe; and a plurality of sub-valves respectively connected to the plurality of branched pipes, and a manifold which enables the sub-valves to be disposed fluidly consecutively to the main valve and to be fluidly connected in parallel with said manifold, and which forms a gas flow passage of the main valve and the sub-valves, and wherein ends of the main valve and the sub-valve are aligned on a same extension line, wherein the manifold comprises: a sub-connecting portion in which outlet ports connected to the sub-valves are consecutively formed along a longitudinal direction; and a main connecting portion extended in a direction crossed at the sub-connecting portion, and in which an inlet port connected to the main valve is formed, and wherein the manifold is formed in a tubular shape, and an end cap shielding both ends of the sub-connecting portion and an opened end of the main connecting portion is provided, and wherein a valve installing portion further extended than the ends of the main valve and the sub-valve, fixed to and installed at a side wall of the case is formed in the manifold. a main valve connected to the main pipe; and a plurality of sub-valves respectively connected to the plurality of branched pipes, and a manifold which enables the sub-valves to be disposed fluidly consecutively to the main valve and to be fluidly connected in parallel with said manifold, and which forms a gas flow passage of the main valve and the sub-valves, and wherein ends of the main valve and the sub-valve are aligned on a same extension line, wherein the manifold comprises: a sub-connecting portion in which outlet ports connected to the sub-valves are consecutively formed along a longitudinal direction; and a main connecting portion extended in a direction crossed at the sub-connecting portion, and in which an inlet port connected to the main valve is formed, and wherein the manifold is formed in a tubular shape, and an end cap shielding both ends of the sub-connecting portion and an opened end of the main connecting portion is provided, and wherein a valve installing portion further extended than the ends of the main valve and the sub-valve, fixed to and installed at a side wall of the case is formed in the manifold. a sub-connecting portion in which outlet ports connected to the sub-valves are consecutively formed along a longitudinal direction; and a main connecting portion extended in a direction crossed at the sub-connecting portion, and in which an inlet port connected to the main valve is formed, and wherein the manifold is formed in a tubular shape, and an end cap shielding both ends of the sub-connecting portion and an opened end of the main connecting portion is provided, and wherein a valve installing portion further extended than the ends of the main valve and the sub-valve, fixed to and installed at a side wall of the case is formed in the manifold.