求大神， c++的问题

bool List::ListInsertHead(Node *pNode)

{

Node *temp = m_pList;

Node *newNode = new Node;

if (new Node == NULL)

return false;

newNode->data = pNode->data;

m_pList->next = newNode;

newNode->next = temp;

}

不明白为什么要加newNode 直接接上不就行了