Cocoa tree originated in South America, is a tropical evergreen plants, belonging to the Sterculiaceae, can only grow in Latitude 20 degrees to 20 degrees north latitude between. Average annual temperature need between 18-28 degrees and need high humidity and altitude should be less than 300 meters, so the current cocoa tree widely cultivated in Latin America, Southeast Asia and Africa. Cocoa bean is the seed of the cacao tree, American Maya said the Cacau, and cocoa beans and dried crushed and mixed with water into a bitter drink. In 1753, Lin Nai, a biologist, named the cacao Theobroma, a Greek word for "God" ".