AIM:To evaluate the effect of improved suture correction of idiopathic lower eyelid entropion trichiasis in children.METHODS:Improved suture treatment was applied for idiopathic lower eyelid entropion trichiasis in children.RESULTS:Of all the 72 cases,43 cases were cured,25 cases improved,4 cases failed.The total effective rate was 94%.CONCLUSION:Improved suture treatmenthas a good effect,simple operation and less damage for idiopathic lower eyelid entropion trichiasis in children.