The invention relates to the technical field of tea leaf processing and in particular relates to a clean production technology of black tea. The technology comprises the following steps of storing fresh tea leaves, withering, rolling, unblocking, unblocking, fermenting, carrying out primary drying, frying and drying, baking, detecting metal, carrying out color selection, improving the aroma, blending, packaging and spraying a code and the like. The organic black tea produced by the technology provided by the invention has a strip-shaped and compacted appearance, black and glossy color and luster, red and bright soup color, fresh aroma and sweet aroma, sweet and rich taste, fine and tender leaf-bottom bud leaves and red and bright color; after tea soup is cooled, the soup color has a creamdown phenomenon. The black tea contains various water-soluble vitamins, and also contains rich nutrient substances including minerals, protein, amino acid, polyphenols, sugars, pectin and the like which are necessary for human bodies. Furthermore, the production technology is developed and stable and is especially suitable for mechanical production of high-quality black tea; the quality of the black tea can be ensured and the production efficiency is improved.