The wide eye spacing in newborns is due to parental genetics and trisomy 21, as follows: 1. Parental genetics: the wide eye spacing in children has family heredity, both or one parent has the facial manifestation of wide eye spacing, which belongs to facial genetics. If the intellectual development is normal and other development is good, it is not too relevant and does not require special treatment. 2. Trisomy 21: It is caused by chromosomal abnormalities and is a genetic metabolic disease, which is congenital stupidity. In this case, the child will have abnormal development and mental retardation. In this case, the chromosome screening should be carried out as early as possible, especially when the mother of the child is pregnant, to avoid this situation, which will affect the quality of life of the child in the future.