According to the law of meridian Liuzhu, which is based on the theory of "man corresponds to heaven and earth", it is more suitable to eat from 5 pm to 7 pm, but it is also very good to eat at other time periods. Although Lycium barbarum is a good thing, like any other nutrition and tonic, it is no good to eat too much. Generally, a healthy adult eats10g (about 50 or 60 capsules) a day, which is enough to meet the nutritional needs of the body. If you eat too much, you are likely to get angry.