2. Haagen-Dazs moon cakes are ice cream moon cakes. Because of their own characteristics, ice cream moon cakes have strict requirements on storage and must be preserved at low temperature. If transportation, storage and other links can not meet the requirements of low temperature, it may lead to bacterial reproduction. After buying ice cream moon cakes, you should also ensure that they are in a low temperature state during the process of taking them home, and at the same time, the storage time should not exceed the marked shelf life. And Haagen-Dazs moon cakes can only be kept for two hours at room temperature.