Preparation method of black tea

The invention discloses a preparation method of black tea. The preparation method comprises the following steps of carrying out sunshine withering on fresh tea leaves, tedding the fresh tea leaves and rocking green; and the specific steps are as follows: first-time green rocking is carried out for 5 minutes; after a time interval of 55-65 minutes, second-time green rocking is carried out for 5 minutes; after a time interval of 85-95 minutes, third-time green rocking is carried out for 5 minutes; after a time interval of 115-125 minutes, fourth-time rocking is carried out for 5 minutes; after a time interval of 175-185 minutes, fifth-time green rocking is carried out for 5 minutes; and the tea leaves subjected to green rocking are twisted, fermented and dried, so that the preparation of the black tea is finished. Compared with the prior art, the preparation method disclosed by the invention has the advantages that the problem of insufficiency of the inner fragrance of the existing black tea is solved, and the black tea with strong and lasting fragrance, red-uniform and bright soup color and mellow taste, high and fragrant sweetness after being tasted is obtained.