The invention provides a processing method of Huangguanyin black tea. The processing method comprises the following steps of (1) selecting materials; (2) performing sunlight withering; (3) performinglight rocking of green leaves; (4) performing indoor withering; (5) performing rolling; (6) performing fermentation; (7) performing shaping and strip tidying; (8) performing baking; and (9) performingaroma increasing. According to the processing method disclosed by the invention, a manner of combining sunlight withering with indoor withering is adopted, so that the enzymatic effects of polyphenols substances can be promoted, the activity of glycosidases is also improved, and the production of fragrance of the black tea is facilitated; besides, a manner of performing light rocking of green leaves is adopted, so that mutual friction between tea green leaves is facilitated, leaf margin cells are destructed due to friction, enzymatic oxidation is accelerated, water drainage of tea green leaves is promoted, water and effective substances in the leaves are combined, and many rich fragrance substances are converted; and besides, through evaporation and motion of moisture, transformation of fragrance and taste is facilitated, and high-quality tea leaves can be processed. The tea leaves processed by the processing method are tight and direct in strips of product appearance, tidy and uniform in length, thick, rich, sweet and fragrant in fragrance, and fresh, mellow and refreshing in taste.