A self-service wine tasting system includes automatic wine dispensers, a cloud server and user terminals. The automatic wine dispenser includes wine dispensing stations, a machine identity and a first telecommunication module. The first telecommunication module is connected to a control chip of the automatic wine dispenser. The cloud server includes a storage and a second telecommunication module. The second telecommunication module is in communication connection with the first telecommunication module. The storage stores wine storage information associated with the machine code of each automatic wine dispenser. The user terminal includes an identification device and a third telecommunication module. The third telecommunication module is in communication connection with the second telecommunication module. The self-service wine tasting system facilitates the wine taster to record the tasting behavior.