Congenital lacrimal duct obstruction and dacryocystitis are common and frequent diseases in pediatric ophthalmology. When conservative treatment is not effective, lacrimal drainage combined with intubation surgery is the latest internationally recognized surgical procedure that can cure lacrimal obstruction in children, and the postoperative results are good. However, there are still some misconceptions among parents about lacrimal intubation surgery, such as the damage of intubation surgery to the child, the appearance of the post-operative tube, and even the scarring of the skin, and the suffering of the child after removal of the tube. Now we will introduce the situation of children’s hospitals to carry out this surgery. I. Surgical method: At present, Ritleng lacrimal intubation is mostly used. In the tear duct unblocking, from the upper and lower tear dots into the needle, in the tear duct implant a U-shaped medical slim transparent silicone tube, so that the inaccessible tear duct, the two ends of the silicone tube in the nasal cavity lead out, and will be fixed in the nasal wing sewing a thread ring. Second, the advantages of lacrimal intubation surgery: 1, Ritleng intubation probe is thinner than the traditional probe (the diameter of the opening is only 1mm), the surgery is minimal damage to the infant lacrimal tract. 2.The soft lacrimal guide system (only 0.4mm in diameter) combined with the transparent lacrimal silicone tube (only 0.6mm in diameter) allows smooth access to the lacrimal tract without any wound on the skin surface, leaving no scar after surgery. 3.After the operation, unless you look carefully, you can see a small section of the transparent silicone tube that is ambidextrously attached to the surface of the eye at the inner corner of the eye, and there is a thin line ring at the lower end of the nose, and the appearance and normal life are not affected in any way. 4.The uniquely designed lacrimal probe system with hollow track makes the operation more concise and shortens the operation time greatly. 5.Post-operative extubation can be performed when the child is awake and under surface anesthesia, the steps are easy and quick, and the child does not have any pain.