1. Antioxidant: Camellia is rich in polyphenols and has strong antioxidant effect, which is helpful to prevent and alleviate diseases related to oxidative damage.

2. Lowering blood fat: Polyphenols in Camellia japonica can lower the levels of cholesterol and triacylglycerol in the body and reduce the risk of cardiovascular disease.

3. Prevention of dental caries: Camellia contains a certain amount of fluoride, which can promote dental health and prevent dental caries and oral diseases.

4. Weight loss and slimming: Camellia contains certain caffeine and tea polyphenols, which can promote fat metabolism and accelerate the oxidative decomposition of fat, thus playing a role in weight loss and slimming.

5. Enhance immunity: Polyphenols and vitamin C in camellia can improve human immunity and prevent and relieve common diseases such as colds and coughs.