Camellia seed, also known as camellia seed, is the fruit of Camellia oleifera trees. Camellia oleifera is the main woody oil tree in China. Camellia oleifera Abel is a small tree or shrub of the Camellia genus in the Theaceae family. Oil tea young branches are covered in coarse hairs; Leaves leathery, elliptical or ovate in shape, apex blunt and pointed, base wedge-shaped, midrib covered with long hairs below, finely toothed, petiole covered with coarse hairs; Top of flower, leathery, broadly ovate, petals white, ovate, stamen filaments nearly free; Shuo fruit is spherical in shape; The flowering period is from October to February of the following year, and the fruiting period is from September to October of the following year; Because its seeds can extract oil (tea oil) for consumption, it is called "oil tea".

Tea seeds are mature seeds of Camellia sinensis (L.) O, Kuntze, a plant in the Camellia family. They are divided into oil tea tree seeds and tea tree seeds according to their growth conditions, namely oil tea seeds and tea leaves seeds, both of which can extract oil for consumption. Tea seed oil has antioxidant capacity, which can lower blood pressure, blood lipids, and inhibit arteriosclerosis. The nutritional value of tea seed oil can be comparable to olive oil, or even higher, making it a premium edible oil. Due to being a unique species in China, it is also known as "Eastern olive oil".