In this thesis, a definition for hollowization settlement is given on the basis of the principles: the relative quality, the functional transformation, the absolute abandonment and the sharp decrease in population. Based on Radar Model, 5 subbreeding environment types of hollowizing settlement are revealed: Type 1: easiest hollowizing environment which contains 4 impelling factors; Type 2: easier hollowizing environment which contains 3 impelling factors and 1 retraining factor; Type 3: plane and easy hollowizing environment which contains 2 impelling factors and 2 retraining factors; Type 4: more difficult hollowizing environment which contains 1 impelling factor and 3 retraining factors; Type 5: most difficult hollowizing environment which contains 4 retraining factors. Two indices including relatively hollowizing rate and absolute hollowizing rate are applied for expounding the hollowizing state of the settlement in the region. Two location sensibility indices( w J and w x ) constitute 2?2 rank matrix which divides the settlements of the region into four hollowizing ranks: Rank 1: high speed hollowizing settlement, w J>1,w x>1; Rank 2: steadily hollowizing settlement, w J>1,w x<1; Rank 3: latently hollowizing settlement, w J<1,w x>1; Rank 4: slowly hollowizing settlement, w J<1,w x<1. According to the price consumption budget line and the theory of land price, 3 driving powers covering the low building cost, the comparative profit and the consumption budget are discovered. Concerning the basic line, buffering line and end line, one hollowizing settlement space is divided into 3 parts: the core zone, buffering zone and the new expanding zone. Based on the growth declining state of the hollowizing settlement space, 5 patterns of the settlement hollowizing process are posed: (1) the growth process pattern of the core zone; (2) the expanded process pattern of the core zone; (3) the growth process pattern of the buffering zone; (4) the expanded process pattern of the buffering zone; (5) the growth process pattern of the new expanding zone. The checking measures against the settlement hollowizing are discussed lastly.