The present invention provides a washing composition of anti-dandruff andanti-bacterial which containing tea tree formula. The main components thereof comprising: a tea tree essential oil (Melaleuca Alternifolia (Tea Tree) Leaf Oil) and a tea tree extract (Melaleuca Alternifolia (Tea Tree) Leaf Extract). The antibacterial or anti-dandruff active ingredient is 4-Carvomenthnol.本發明提供一種含茶樹配方的抗屑或抗菌的洗沐組合物,其主要成分包含:茶樹精油(Melaleuca Alternifolia(Tea Tree)Leaf Oil)及茶樹萃取液(Melaleuca Alternifolia(Tea Tree)Leaf Extract),其抗菌和抗屑的有效成分為萜品烯-4-醇(4-Carvomenthnol)。