500 ml milk 15-25 g gelatine tablets. Generally, the ratio of milk to gelatin tablets is 250 ml milk to gelatin tablets of 5- 10g, and the milk food made under different ratios is different. A soft milk pudding can be obtained by adding 15g gelatin to 500ml milk. Hard milk pudding can be obtained by adding 20g gelatin to 500ml milk. Mu Si can be obtained by adding 25g of gelatin to 500ml of milk, so put15-25g of gelatin tablets into 500ml of milk.