The present application provides a discharging mechanism, a material storing device, and a self-service vending machine. The discharging mechanism includes: a rotation member, provided with a storage space; a first end cover, mount at one end of the rotation member and provided with a feed hole in communication with one end of the storage space; a second end cover, mounted at the other end of the rotation member and provided with a discharge hole in communication with the other end of the storage space; a first valve module, arranged between the first end cover and the rotation member; a second valve module, arranged between the second end cover and the rotation member; a first guide module and a second guide module, configured to control the two valve modules to close or open the feed hole and the discharge hole when the rotation member rotates; wherein when one of the two valve modules is in an open state, the other is in a closed state. The discharging mechanism according to the present application causes the first valve module and the second valve module to be linked to the rotation member by arrangement of the first guide module and the second guide module, which implements falloff and interception of the capsules. In this way, the entire mechanism has fewer parts, and the manufacture and assembling cost is lower.
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