After taking the syrup, the bottle cap should be tightened in time and placed in a cool, dark and dry environment. If no longer used in a short time, it can be placed in the refrigerator for low temperature storage, refrigeration to 4℃~15℃ is the best. After opening, the sugar slurry should not be stored for a long time, not more than three months in winter and not more than a month in summer. When taking it again, you should look at the light to see if the solution is still clear, such as a large number of bubbles, floccule suspension, precipitation, or discoloration, crystallization, indicating that the sugar slurry has rancidity phenomenon, can not be taken.