8-year-old boys can eat sea cucumber in moderation, but not in excess. Sea cucumber mainly contains protein, fat, iron, calcium, phosphorus and other nutrients, which has rich nutritional value and can promote the healthy growth of children, so children can eat some sea cucumber appropriately. However, excessive consumption of sea cucumber is not necessary for children. Parents should give sea cucumber to their children in moderation, in addition, a balanced daily diet and healthy eating habits are the most beneficial to children’s health. When an 8-year-old boy consumes sea cucumber, he should stop consuming it in time if he has allergic symptoms and go to a regular hospital for treatment under the guidance of a doctor.