The invention relates to sour goat milk with high apparent viscosity, good stability, mellow fragrance and delicious sweetness and sourness, belonging to the dairy products field, which simultaneously relates to a preparation method of the sour goat milk. The sour goat milk comprises the following components with the mass percentages: goat milk powder accounting for 9% to 12%, bovine casein for 0.5% to 1.0%, stabilizing agent for 0.8% to 1.7%, strain for 0.002% to 0.004%, white sugar for 7% to 10%, and water for the rest. The invention has the advantages of high apparent viscosity, good stability, exquisite and slippery feeling in mouth, mellow fragrance, and delicious sweetness and sourness.