1Rolling to massage skin, tighten skin, improve eye bag and canthus fine lines. 2Improve skin blood circulation, promote the removal of harmful substances from the skin. 3Soothe and repair skin, help to solve skin problems such as rough skin, coarse pores. 4Remove excess heat in moderation, relieve skin tension and fatigue, keep skin in good condition. 5Diminish inflammation and ease pain, suitable for improving pimple, color spots, dizziness, headache, fever, heat stroke, and so on.