It's not good enough to eat it after its shelf life, and it's not good enough to eat it unopened, so you should eat it as soon as possible after opening it within its shelf life.
General food shelf life in 1-2 months after the expiration date can be eaten, provided that the quality of the food is guaranteed, but can not guarantee that this is the case, but the vast majority of them can be eaten, but for security reasons, it is not recommended, because to the shelf life of a small portion of the food will be deterioration of the phenomenon of mold and so on.
Chocolate did not open the city but the expiration date is not allowed to take, taking will affect the physical and mental health of the stomach and intestines, the key is due to the expiration date of the chocolate after the moldy condition, the loss of nutrients, is not conducive to the physical and mental health of the human body. Chocolate is a high calorie food, we should pay attention to the case of no expiration to take, and chocolate to be put into the room temperature under the natural environment of storage, can not accept high temperature to carry out exposure.