The invention relates to a peristrophe teabag and a preparation method thereof. The teabag is prepared from peristrophe taken as a raw material; the preparation method comprises the following steps: Chinese herbal medicine of the peristrophe is subjected to impurities removal, is cleaned, is dried and is pulverized into 0.5 to 5 mm of coarse powder ; the coarse powder is sterilized and is subpackaged to a filter paper bag through an automatic teabag packager; 1 to 20 grams of the coarse powder is subpackaged in each bag and is subjected to heat seal; and 1 to 20 bags are subpackaged in an aluminum plated film bag, are sealed and are packaged by paper. In administration, one bag is taken out, is brewed for 10 minutes by hot water and can be drunk. The peristrophe teabag is a health-care tea with the functions of sweating, relieving exterior syndrome, clearing heat and detoxifying, is suitable for cold, sore throat and baby fever, has good curative effect and convenient use and rapidly takes effect. The peristrophe teabag has a simple preparation process, is more convenient for patients of cold, baby fever, sore throat and the like to take and receives good evaluation.