Objective: To understand the effect of Povidone-iodine irrigation treatment in six cases of conjunctival cyst. Methods: Six cases of conjunctival cyst were treated with the Povidone-iodine irrigation . Recurrence and Complication were observed after operation. Results: No recurrence seen in five cases of conjunctival cyst and except one, none of them had any complications. Conclusion: Povidone-iodine irrigation treatment in patients with conjunctival cyst is a simple, effective and save therapy. Nevertheless, it needs more cases to further prove its effectiveness.