1. Determine the age and height of children: Children of different ages and heights need different types of fitness equipment. For example, young children may need soft ball toys and jumping racks, while teenagers may need more complicated equipment, such as dumbbells and barbells.

2. Choose safe materials: Children's fitness equipment must use safe materials to ensure the safety of children. These materials should be non-toxic, tasteless, durable, non-slip and fireproof.

3. Consider children's interests and abilities: It is important to choose fitness equipment that suits children's interests and abilities. If children are interested in a certain sport or activity, then choosing the corresponding equipment can make it easier for them to keep exercising.

4. Consider space and budget: When choosing fitness equipment, you need to consider the space constraints and budget of your family. If space is limited, you can choose small or foldable equipment; If the budget is limited, you can choose products with moderate prices.

5. Know the function and use of the product: read the product manual carefully before buying to know its function and use. If you have any questions, you can consult the sales staff.