With the approach of Children’s Day, to promote the safety awareness , boost the self-protection ability of the 1-3 grade students and avoid various kinds safety hazards and uncivilized behaviors in metro riding, BJMTR Safety Class at Campus was held at Affiliated Primary School of No.2 Fengtai High School. Safety knowledge related to Plateform Screen Door was presented to the children in a vivid and humorous way is a special gift from BJMTR to the children in this school.