Let the baby enter the role, overcome the fear, no longer afraid of injection, learn to be brave, and experience the role of doctor. Role playing, teaching through fun, and experience playing the role of doctor. Take in the toys and pack them in one doctor backpack. Make it a good habit for your baby to accept toys. Large capacity, can accept all medical equipment. Parent-child interaction. Parents and children play the role of doctors together to shorten the distance between them. The corners are smooth. The edge of the simulated medical toy is round and smooth without burrs. Fully considering the safety of the baby, it will not harm the baby’s skin, and the baby will play more safely and happily.