The invention discloses an external application medicament for treating allergic rhinitis. The external application medicament is prepared by crushing the following Chinese herbal medicines in part by weight: 15 to 25 parts of manchurian wildginger, 15 to 25 parts of gansui root, 15 to 25 parts of white mustard seed, 6 to 15 parts of biond magnolia flower, 6 to 15 parts of Siberian cocklour fruit, 6 to 15 parts of Chinese honeylocust abnormal fruit, 8 to 12 parts of angelica dahurica, 2 to 8 parts of clove, 2 to 8 parts of raw ephedra, 2 to 8 parts of mint, 2 to 8 parts of borneol and 1 to 3 parts of musk, mixing and blending by ginger juice to form paste. The external application medicament for treating the allergic rhinitis has obvious effects of dispelling wind, freeing lung, promotingqi circulation, blood circulation, inducing resuscitation with aroma and activating nasal cavity. In the observation of the clinical curative effect of 20 patients, 15 patients are cured clinically, and 5 patients are excellent.