At present, astigmatism is more difficult to recover, if a 4-year-old child has astigmatism, it may be caused by bad habits, corneal deformation or congenital developmental anomalies, etc. The child can correct astigmatism and improve vision by wearing glasses, and also need to improve bad eye habits. For astigmatism caused by squinting for a long time, children need to correct their bad eye habits, open their eyes normally to see things, and release the pressure of the eyelids on the cornea to avoid continuing to squeeze the cornea, which will further aggravate the degree of astigmatism. Astigmatism can lead to vision loss, double vision, and other symptoms. In addition to vision loss, high astigmatism can also lead to amblyopia, strabismus, and other complications. Therefore, children with astigmatism need to see a doctor in a timely manner. Children can wear glasses to correct their astigmatism and improve their vision. In adulthood, children with astigmatism can also improve their vision through refractive surgery, such as corneal laser surgery. It is recommended that children with astigmatism consult a doctor to evaluate their condition and choose the appropriate treatment under the doctor’s guidance.