Nutrient pig bone stock and preparation method thereof

The invention relates to the field of processing of animal bone products, in particular to a nutrient pig bone stock and a preparation method thereof. The method specifically comprises the following steps: mixing and emulsifying upper bone oil which is obtained by high-temperature treatment of pig bones with an emulsifier, so that a bone oil compound has water soluble property; and mixing and homogenizing with lower bone soup, wherein the fat content in the obtained nutrient pig bone stock can be increased to 90g/kg; the vitamin A can be increased to 1.8mg/kg; the energy and the nutrient requirements of a human body for taking in the bone soup are increased; the pig bone stock prepared by the method can be prepared into pig bone soups with different flavors by adding different seasoners, and can be diluted to eat; the product is in a uniform and stable state; the appearance is improved; and the contradiction of people for taking in the bone oil is avoided.