Abstract: A fault-danger criminal is one who gravely endangers public security through serious violation of certain regulation,but does not result in grave actual consegence due to the interference of occasional factorcs.A fault-danger criminal characterizes in administrative dependence,cause and effect,and conditional interference .Its legslation should abide by the principles of penalty to be determined by law,right and benefit to be guaronteed,and proper coordination.The legslative mode to be adopted should etplic...