The loss of smell caused by sinusitis can be partly cured, but there are also some patients who can’t recover their sense of smell due to viral infection. Sinusitis is mainly caused by the inflammation of one or more sinuses at the same time, and the incidence of sinusitis is high. Sinusitis is usually accompanied by nasal congestion, headache and other symptoms, sinusitis can also cause a loss of sense of smell. Sinusitis patients with smell loss should first treat sinusitis, can be used under the guidance of the doctor cefaclor, cefprozil, oleander drops and other drugs. After the sinusitis is cured, the factors of olfactory dysfunction are lifted, the nasal secretion is gradually reduced, and the olfactory function will gradually return to normal. A small number of patients with a longer period of time, and did not get the appropriate treatment in time, so by the olfactory obstruction evolved into the olfactory nerve damage, which led to sinusitis patients sense of smell can not be restored to the situation. Sinusitis caused by the loss of sense of smell part of the can get well, it is recommended that sinusitis patients with symptoms of loss of sense of smell in time to seek medical treatment, to remove the obstruction of the sense of smell factors, to help the sense of smell back to normal.