To explore the treatment effect of selective neurotomy of anterior ethmoid nerve and squeezing operation of inferior turbinate in the treatment of perennial allergic rhinitis (PAR).Seventy cases of perennial allergic rhinitis were selected and subjected to selective neurotomy of anterior ethmoid nerve and squeezing operation of inferior turbinate,and the treatment effect was observed by analysis of the the symptoms and signs score of all cases preoperatively and postoperatively.The total effective rate were 90.0% at 1 year follow-up.Selective neurotomy of anterior ethmoid nerve and squeezing operation of inferior turbinate were effective for the patients with PAR. It is worthy to be popularized for its convent and rare complications.