Automatic cork stopper inserting machine is suitable for cork plugging in winery and beverage industry to produce various wines and other bottled liquids. The feeder of this machine automatically feeds the cork into the stopper, which is easy to operate, safe and reliable, high in quality, labor-saving, light and compact, reasonable in design, wide in applicability, convenient in maintenance and durable. It is suitable for plugging cork of various specifications. It has complete functions, and can automatically complete the processes of bottle entry and exit, cork loading, cork sorting, cork feeding, cork shrinking, etc. It is equipped with an automatic protection device. In case of bottle jam, the machine will automatically stop to protect human-machine safety. Matching with the filling machine, it can realize the full-automatic production of bottling line.