Logistics domain ontology is the foundation of logistics information sharing. According to the knowledge of logistics, an eABC ontology model was be extended from ABC ontology, and a logistics domain ontology model (LDOM) based eABC was constructed. Then relations among logistics domain knowledge were represented in this model, and five key ontology elements of LDOM were described, such as concept, relation, function, axiom and instance. Finally, LDOM was validated by the analysis of a case.