The eyes are the windows to the soul, especially the eyes of children, flashing at people, with innocent and clear eyes, so that people will like at first glance. However, sometimes these beautiful eyes will keep flowing tears, so that mom and dad heartache, what is the reason for children’s tears? Children in emotional or eyes by external stimulation, such as cold air or wind stimulation, tear secretion will increase sharply, and excessive tears can not be timely tear canal discharge and out of the eyelids caused by the phenomenon of tears, this is a normal phenomenon, but in a calm state, the child will also tears should pay attention to find the cause and timely treatment. The main causes of pediatric tears are the following: 1, blockage: baby during the embryo, in the nasolacrimal duct location there is a layer of membrane, membrane-like tissue in the child is not born when it exists, after the baby is born, due to the pressure of the birth canal, this layer of membrane will naturally rupture. Some babies have congenital problems, for example, this membrane is very thick, thicker than normal babies’. In addition, some babies have an infection in the womb when the mother is pregnant, and there is inflammation in the tear duct. When the baby has tears, the tears cannot pass through the lacrimal drainage system and cannot drain normally to the nasal or oral cavity, and the baby is prone to lacrimal disorders. Clinically, it is called congenital lacrimal obstruction. 2, inflammatory eye infections, such as conjunctivitis, etc. The child will have an increased discharge from the eye, especially in the morning, and can be seen in the corner of the eye with obvious formation of eye droppings. Some children have very beautiful eyelashes, long and dense, and some have double eyelashes. Under normal circumstances, the eyelashes grow towards the outside of the eye, but in abnormal circumstances, some eyelashes will be inverted towards the cornea, and repeated blinking will cause the eyelashes to rub against the cornea and damage it. Children will have eye discomfort, eye tears and other conditions. 4, eye foreign body: this situation is common in sandy weather or children playing with their hands after rubbing eyes, there will be some tiny foreign body rubbed into the eyes, such as fine sand, dust, and even tiny plant fibers. If this happens, children should stop rubbing their eyes and go to the hospital as soon as possible. 5. Congenital glaucoma: These children’s eyes look big and beautiful. However, children often have watery eyes, as well as photophobia and reluctance to play outside. The eyes are easily fatigued from reading. Early diagnosis and treatment of congenital glaucoma is crucial, so once the above symptoms are present, early consultation should be made. The above mentioned are just some basic knowledge about pediatric tearing, and parents can use this knowledge to make only a general judgment about their child’s condition. In fact, the causes of children’s tearing are complex and the treatment varies, requiring consultation with an experienced doctor. If you find that your child has similar tearing symptoms, you should go to the hospital for diagnosis and treatment as early as possible without delay.