The invention relates to a processing technique for black tea and belongs to the field of production of tea. The processing technique comprises the following steps: firstly, screening the tea; secondly, freezing; thirdly, unfreezing and spreading and drying in the air; fourthly, rolling; fifthly, fermenting; sixthly, carrying out enzyme deactivation; seventhly, primarily baking; eighthly, secondarily baking. According to the processing technique disclosed by the invention, a withering technology is omitted, and a freezing technique and a roller enzyme deactivation process are added; simplicity and convenience in operation are realized, a place is saved, production time is shortened, the productivity is greatly improved, and the technique is easy to grasp and popularize; besides, sufficiency in fermentation is realized; prepared finished black tea has the advantages of compact and even shape and strips, black bloom color and luster, orange red and bright soup, sweet and lasting aroma, faint chestnut-like aroma, mellow taste, freshness, no astringency and obvious sweet after taste; in addition, the content of amino acid reaches 2.20 to 2.84 percent, the content of theoflavin reaches 4.01 to 4.93 percent, the content of thearubigin reaches 13.02 to 16.12 percent and is far higher than that of ordinary black tea; the content of theabrownin is controlled at 3.24 to 3.91 percent, and the content of caffeine is controlled at 1.89 to 2.78 percent; aroma, soup color, taste, mouthfeel and a stomach nourishing effect of the black tea are greatly improved.