A few important indicators for parents: at 3 months of age, the eyes cannot follow people and objects, the fingers make a fist and do not open; at 3 to 4 months of age, the head still cannot be lifted; at 6 to 7 months of age, the feet land on the tip of the feet, legs straight or crossed; at 8 months of age, the child still cannot sit; at 10 months of age, the child cannot pinch things with the fingers; at 10 months of age, the hands still cannot be paired together; when reaching things, it is always one hand. It is recommended that children with high-risk factors establish contact with the hospital after birth, monitor their development frequently, receive timely guidance, and implement early intervention.