In most infants, some nasal secretions can be seen in the nasal cavity. However, some children may have deeper deposits of nasal secretions that may interfere with breathing or cause increased breath sounds and increased voice. If the child is found to have deep nasal secretions, the following treatment can be carried out according to the situation: 1. For wet and sticky nasal secretions, let the infant lie flat or sit, gently press the forehead area, 2-4 sprays of nasal spray saline for infants on each side of the nasal cavity, gently suck out the secretions inside the nostrils with a nasal aspirator, and repeat several times until clean; 2. For dry and hard nasal secretions, first 2. For dry and hard nasal secretions, first use 2-4 sprays of nasal spray saline on each side of the nasal cavity to moisten the nasal cavity and soften the nasal scabs, and then use tweezers to clean up the nasal secretions of infants, gently holding them and dragging them outward. In addition to the above two methods, infants through their own immunity, but also often sneeze to clean up their own nose. You can usually use a cotton swab dipped in a small amount of petroleum jelly applied to the nasal cavity, can prevent nasal dryness. Or use a humidifier inside the house to keep the indoor air moist.