The operation of nose washing for children includes the following methods: 1. Spray nasal washing: Use physiological seawater spray to rinse the nasal cavity. You can aim the nozzle mouth of the spray directly at the deep part of the nasal tract and then press and spray, and you will be able to play a certain effect of rinsing and wetting. 2. Rinse bottle nasal washing: If the child further uses a nasal rinse bottle to rinse the nasal tract, he or she needs to use physiological saline for rinsing. Or use special nasal rinse salt packets and prepare nasal rinse solution in strict proportion. The child can stand on the edge of the sink, tilt his head slightly forward, then put the infected mouth of the flushing bottle deep into one side of the nasal cavity, keep the mouth slightly open, hold the breath when flushing, squeeze the flushing bottle, the flushing solution can enter from this side of the nasal cavity and flow out from the mouth or the other side of the nasal cavity, you can moderately take the action of blowing the nose while flushing to clear out part of the mucous and pus secretions, after flushing half of the nasal cavity, change to the other side and continue flushing. After half of the rinse, change to the other side of the nasal cavity and continue to rinse.