The invention discloses a Camellia nitidissima/fructus cannabis health-preserving tea which is prepared from Camellia nitidissima, fructus cannabis, radix polygonati officinalis, kudzu root, hawthorn and fructus momordicae. The Camellia nitidissima has the effects of resisting bacteria, diminish inflammation, clearing away heat and toxic material and inducing diuresis to reduce edema; the fructus cannabis has the effects of moistening dryness, smoothing the intestines, promoting urination, treating stranguria, promoting blood circulation and dispersing pathogenic wind; the radix polygonati officinalis has the effects of nourishing yin to moisten dryness, clearing away liver-fire to treat eye disease; the hawthorn has the effects of stimulating circulation to end stasis, and activating blood circulation to dissipate stasis; the kudzu root has the effects of relieving exterior syndrome, relieving heat, promoting salivation and quenching thirst; the fructus momordicae has the effects of benefiting the skin, beautifying the face, reducing the blood fat and blood sugar and enhancing the taste; and thus, the prepared product is a favorable sweet tea beverage which has the effects of removing heat from the liver, improving eyesight, clearing away the lungheat and moisturizing dryness, nourishing the stomach, promoting salivation, clearing away heat and toxic material, lowering the blood fat and blood sugar, beautifying the face, strengthening the body and prolonging life. The formula of the Camellia nitidissima/fructus cannabis health-preserving tea is summarized through long-term practice of people. All the raw materials are familiar flowers, herbs and fruits of native plants, and thus, have sufficient and guaranteed sources. The tea has the characteristic of pure and sweet mouthfeel, can perform the functions of symptom relief and health care, and has the effects of health care and health preservation when being drunk for a long time.