The Ming Dynasty lost Lushun so that the second battle line lost the basic guarantee , thus militarily landing in a much passive position.

• 后金占据旅顺,解除了后顾之忧,并在军事上取得了主动权;明朝丧失了旅顺,使第二战线失去了基本保证,在军事上陷入极大的被动。