Many people have used nasal drops, but there is a lot to learn about how to take nasal drops. You should read the instructions of the medicine carefully before using the drops. Infants and children should not use nasal drops because their nasal mucosa is more delicate and using nasal drops will irritate the nasal mucosa and affect its development. Elderly people suffering from hypertension should use nasal mucosal vasoconstrictors carefully to prevent their blood pressure from rising even higher. Blow your nose as clean as possible before the drops, and if there are dry crusts in the nasal cavity, use warm saline to clean them and remove them when they become soft. When dropping the medicine, lie on your back on the bed, put a soft pillow on your shoulder and tilt your head back as much as possible so that the nasal cavity is lower than the oropharynx; you can also drape your head outside the edge of the bed or take a sitting position, tilt your head back as much as possible, with your nostrils facing upwards, and then drop the medicine. When dropping the medicine can be slowly flowing down the side of the nostril, so that the side wall of the nasal cavity to play a buffering role, so that the medicine does not flow directly into the pharynx and the bitter taste is unbearable. After dropping the medicine, lightly press both sides of the nose for two or three times to make the medicine spread all over the nasal cavity. After the drops, the original position should be maintained for 3 to 5 minutes to allow the drug to be fully absorbed. The dose and frequency of nasal drops should follow the doctor’s instructions or follow the instructions, generally two or three drops of nasal drops each time, three times a day. After sinusitis patients keep the original position for 3 to 5 minutes, the drug reaches the opening of the paranasal sinuses, so that the mucous membrane of the sinus mouth is contracted and the secretions in the sinus cavity can easily flow out, then blow the secretions in the nasal cavity, and then take another drop of the drug, the drug can enter the sinus cavity through the sinus mouth and play an anti-inflammatory role. Mucous membrane dryness caused by nasal bleeding, generally bleeding point are in the nasal septum in front of the lower easy to bleed area, such patients can use peppermint paraffin oil nasal drops, drops should be slowly flow down the inside of the nostril, in order to play the role of lubrication of the nasal septum mucosa. A variety of nasal drops should not be used for a long period of time to avoid dependence, resulting in drug rhinitis.