While in the past 20 years,geography in higher educa ti on of our country has witnessed marked development, there are many problems such as theory vacuumization of the subject, weakened basis, desalination of geograp hical features, the lagging development of this subject behind social economic d evelopment, confusing teaching system, shortage of teachers, students of poor qu ality, etc.

Based upon the achievements of study on vacuum preloading a vacuum seepage field theory is proposed in attempt to explain vacuum preloading.

This paper holds that the un-exhaustibility of things in the Hīnayāna text On the Static State of Things are actually related to the methods of breaking things in Madhyamika Prajna System;and that the three ideas,which had been criticized in the Hīnayāna text On the Unreal Empty State of Things,are all indeed for the opinions on the empty state of things.