Abstract: It is instructed that measurement method and results of the gross β activity content in fallout at the surrounding environment of Qinshan Nuclear Power Plant(NPP) during 1993～1998. The average is 0.81 Bq·m -2 ·d -1 at the 5 points. It is lower than gross β activity content in fallout of Hangzhou. It is indicated that the gross β activity content in fallout do not obviously rise at the surrounding environment of Qinshan NPP.