There are many reasons for astigmatism in children’s eyes, which may be caused by normal physiological conditions, or may be caused by bad eye habits, etc. Conical cornea, etc. should also be alerted. 1. Physiological conditions: any situation that can lead to uneven distribution of the refractive state of the eye will appear or light or heavy astigmatism, most of the astigmatism is due to the upper and lower eyelids on the surface of the cornea of the long-term pressure, resulting in the vertical refractive power is greater than the horizontal, this situation leads to astigmatism is a physiological situation, the degree will not be too high. 2. Poor eye habits: In addition to physiological conditions, pathological conditions such as irrational postures when children use their eyes or conical cornea can also lead to more obvious or continuous progression of astigmatism, which needs to be corrected in time to avoid serious impact on vision. 3. Conical cornea: Conical cornea is an important cause of astigmatism, which should be actively treated to avoid or minimize the adverse effects on vision. Astigmatism in children’s eyes may also be related to hereditary factors. If you find symptoms of astigmatism, you need to actively consult a doctor and follow the doctor’s instructions for reasonable correction.