1. Suitable age: Make sure you choose building toys that are suitable for your child's age to avoid choking hazards caused by parts that are too small.

2. Quality and safety: Choose blocks made of non-toxic materials without sharp edges and corners to prevent injury to your child.

3. Cleaning and hygiene: Clean the blocks regularly to prevent the growth of bacteria.

4. Storage and organization: Teach your child to store the blocks neatly after playing to avoid losing them or tripping over them.

5. Building environment: Provide a safe, spacious and stable building site away from fire, water and electrical appliances.

6. Companionship: Parents or guardians should accompany children when they play, which can not only improve the parent-child relationship but also ensure the children's safety.

7. Avoid mixing: Do not mix blocks of different types and sizes to avoid affecting the building results and causing confusion.

8. Prevent accidental inhalation: For blocks with small particles or parts that can be easily scattered, pay special attention to preventing children from putting them in their nostrils or ears.

9. Respect creativity: Do not interfere too much with your child's creativity and encourage them to give free rein to their ideas.

10. Check for damage: Regularly check the blocks for damage and deformation and replace them immediately if any are found.