Abstract: Field investigation for the Chengdu Plain(to the north of the Jinma River) and hilly area of the northern part of Sichuan province was made.The investigation shows that the distribution of the liquefaction points belong mainly to river valley,lie in flood plain and lower terraces,distribute near and parallelly with the earthquake faults of the Longmen Mountain striking in a north-east direction,aim at the turning point in the direction of the strike of the fault or places where the fault emerges...