A star anise vinegar is prepared from the following components in parts by weight: 20-30 parts of sorghum flour, 4-6 parts of Daqu powder, 0.8-1.2 parts of amylase, 0.004-0.006 part of saccharifying enzyme, 0.002-0.004 part of wine yeast, 20-30 parts of bran, 40-50 parts of bran coat, 1-3 parts of edible salt, 0.8-1.2 parts of star anise extracting solution, 0.1-5 parts of eucommia ulmoides, 0.1-2parts of rhizoma atractylodis, 0.1-2 parts of angelica sinensis, 1-20 parts of white granulated sugar and 0.4-0.8 parts of sodium benzoate. The invention further discloses a star anise vinegar brewing process. The invention has the following beneficial effects: 1, effects of relaxing bowel, invigorating spleen and appetizing are obtained; 2, the human body immunity is enhanced; 3, the effect of relieving pain is achieved; 4, the weight losing effect is achieved; 5, female breast enlargement effect is achieved; 6, the star anise vinegar has strong fragrance and has the effects of expelling parasites, warming the middle warmer, regulating qi, invigorating the stomach, arresting vomiting, dispelling cold, exciting nerves and the like.