A pouch-type secondary battery having a gas discharge means, the pouch-type secondary battery comprising: an electrode assembly comprising a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a pouch-type case configured to wrap around the electrode assembly; a pair of insulative films disposed in a predetermined region of an edge of the pouch-type case so as to face each other; a positive electrode lead , one side of which is electrically connected to a positive electrode current collector of the electrode assembly and the other side of which protrudes out of the pouch-type case through between the insulative films ; a negative electrode lead , one side of which is electrically connected to a negative electrode current collector of the electrode assembly and the other side of which protrudes out of the pouch-type case through between the insulative films ; and a gas discharge member interposed between the insulative films , the gas discharge member being configured to discharge gas generated in the pouch-type case to an outside, the gas discharge member comprises a body part, the body part being provided with a gas movement passageway , an interior of which is empty, the gas movement passageway being configured to discharge the gas generated in the pouch-type case to the outside, a spring located in the gas movement passageway , and a ball configured to open and close the gas movement passageway while moving vertically or horizontally in a state of abutting the spring , the body part is further provided with a concave and convex portion , which is formed at an outer surface thereof, the concave and convex portion comprises at least one groove channel formed in a longitudinal direction of the body part , and one side of the groove channel located in an inward direction of the pouch-type case does not overlap the insulative films such that the gas generated in the pouch-type case is introduced into the groove channel . an electrode assembly comprising a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a pouch-type case configured to wrap around the electrode assembly; a pair of insulative films disposed in a predetermined region of an edge of the pouch-type case so as to face each other; a positive electrode lead , one side of which is electrically connected to a positive electrode current collector of the electrode assembly and the other side of which protrudes out of the pouch-type case through between the insulative films ; a negative electrode lead , one side of which is electrically connected to a negative electrode current collector of the electrode assembly and the other side of which protrudes out of the pouch-type case through between the insulative films ; and a gas discharge member interposed between the insulative films , the gas discharge member being configured to discharge gas generated in the pouch-type case to an outside, the gas discharge member comprises a body part, the body part being provided with a gas movement passageway , an interior of which is empty, the gas movement passageway being configured to discharge the gas generated in the pouch-type case to the outside, a spring located in the gas movement passageway , and a ball configured to open and close the gas movement passageway while moving vertically or horizontally in a state of abutting the spring , the body part is further provided with a concave and convex portion , which is formed at an outer surface thereof, the concave and convex portion comprises at least one groove channel formed in a longitudinal direction of the body part , and one side of the groove channel located in an inward direction of the pouch-type case does not overlap the insulative films such that the gas generated in the pouch-type case is introduced into the groove channel . <EOS>