The invention discloses a preparation method of chicken bone meal and a chicken essence containing the same. The preparation method comprises the steps of initial treatment of chicken skeletons, grinding, enzymolysis, enzyme deactivation, finish grinding and high-pressure spray drying, wherein a raw material adopted in the method is commercially available low-price fresh chicken bones, a lot of protein and minerals of calcium, phosphorus and the like are extracted from the chicken bones, and meanwhile, chicken bone marrows are fully extracted, so that the comprehensive utilization value of the chicken skeletons is developed; by using the preparation method, the product yield of the chicken bones can reach up to 98%; the preparation method is simple, has low technical requirements, and is low in equipment cost and high in efficiency; moreover, protease and flavor enzyme adopted in the step of enzymolysis can be flexibly added according to required tastes of customers, so that the chicken bone meal has an extremely wide application range, and not only can be used for preparing the chicken essence but also can be applied to other seasonings or food additive materials.