The invention relates to a wine outlet valve device for a filtering type freshness retaining barrel. The wine outlet valve device is suitable for wine outlet valves for stainless steel freshness retaining barrels with different volumes. The wine outlet valve device mainly and structurally comprises a fixing device, a wine injection device, a sealing device, a filtering device and a locking device; the fixing device is provided with a wine spear base; the wine spear base is provided with a thread, an opening and a positioning column, and a fixing net is welded to the wine spear base; the wine injection device is provided with a first wine spear rod assembly; the first wine spear rod assembly is provided with a second wine spear rod assembly; the second wine spear rod assembly is provided with a third wine spear rod assembly; the third wine spear rod assembly is provided with a fourth wine spear rod assembly; the sealing device is provided with a sealing gasket and an O-shaped sealing ring; the sealing gasket is provided with a check ring; the check ring is provided with a spring; a filtering element is arranged on the filtering device; and the locking device is arranged on the first wine spear rod assembly and the fourth wine spear rod assembly. The wine outlet valve device has the self-locking and filtering function, and has the simple and convenient adjusting function.