Expired tea is usually not recommended. Tea has a shelf life, need to be consumed within the shelf life, if more than the shelf life, the composition of the tea may change, the nutritional value will be lost, and which may also produce mold or bacteria, etc., after drinking it is easy to lead to gastrointestinal discomfort, nausea, vomiting and other symptoms, is not good for your health. It is recommended that whether you drink tea or eat other foods, you must be consumed within the shelf life, to avoid eating more than the shelf life of the food, so as not to affect your health. Usually must pay attention to nutritional balance, do not favor picky food, but also to develop a good routine.