lang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: ’Times New Roman’; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Using the geological information of material object such as physical nature, using the technical means such as shallow bored welling and drilling, The authors did the theoretical calculation and judgment for the deformed way and steady state, obtained the enumerated data in the different steady state that may appear under the condition of operating mode: 1) last sliding mass is basically stable under natural state, not stable under storm state; 2) below sliding mass is stable under the above-mentioned two states; 3) strong deformed district language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Ⅰlang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: ’Times New Roman’; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> is basically stable under natural state, not stabile-basically stabile under storm state; and 4) deformed district language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Ⅱlang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: ’Times New Roman’; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> is basicalang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: ’Times New Roman’; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">lly stabile under natural state, not stabile under storm state.