XML data processing method and system and storage medium

The invention discloses an XML data processing method and system and a storage medium, and the method comprises the steps: binding each XML element node in XML data with a node identification in a process of reading in the XML data, wherein the node identification is an integer code value; associating the node identifier with a preset list, with the preset list comprising a name table of the nodeidentifier, a child node identifier list of the node identifier, a node text list of the node identifier and an attribute list of the node identifier; constructing an XML data processing interface settaking the node identifier and the index value of the brother node of the node identifier as parameter entries according to the node identifier and a preset list; and packaging related operations ofa user according to the XML data processing interface set, the related operations at least comprising positioning element nodes, adding the element nodes, deleting the element nodes, assigning valuesto the element nodes and/or