The invention discloses a celery tea drink and a preparation method thereof and belongs to the technical field of food processing. The celery tea drink is prepared from six homologous medicine and food Chinese medicinal herbs of fresh celery, cassia seed, hawthorn, barbary wolfberry fruit, liquorice, chrysanthemum and honey, an acidity regulator, a sweetener, and the like. The celery tea drink has fresh and cool mouthfeel and the effects of clearing heat, promoting blood circulation and removing blood stasis, soothing the liver, promoting urination, lowering blood pressure and blood fat, and the like, is a pure natural healthy functional drink, is suitable for people of all ages and both sexes, increases a new species for vegetable drinks, and meets various demands of people.