The invention discloses health-care herbal tea prepared from gynostemma pentaphylla, which has the effects of clearing away heat and toxic materials, clearing damp, relieving summer heat and decreasing internal heat of the traditional herbal tea, and has the effects of resisting fatigue, promoting metabolism, enhancing immunity, resisting aging, reducing blood fat, protecting liver and benefiting gallbladder, and tonifying liver and kidney of Chinese herbal medicines such as gynostemma pentaphylla, lycium barbarum, mulberry and astragalus membranaceus. The health-care herbal tea comprises the following Chinese herbal medicines in parts by weight: 30-40 parts of gynostemma pentaphylla, 10-20 parts of honeysuckle, 10-20 parts of liquorice, 5-10 parts of chrysanthemum, 10-20 parts of lycium barbarum, 8-12 parts of mulberry, 3-5 parts of astragalus membranaceus, 2-5 parts of cordate houttuynia, 5-10 parts of buzhaye, 2-5 parts of plantain and 1-3 parts of rhizoma polygonati. The health-care herbal tea adopts an ultrasonic assisted secondary extraction process, the extraction rate of active substrates is high, the product palatability is high, and sucrose is replaced by isomaltose hypgather, so that the health-care herbal tea product is suitable for all the crowd including diabetic patients, the extraction rate in the production process is high, the requirement on equipment is relatively low, and large-scale industrial production is facilitated.