Abstract: Three kind of environmental pollution of petroleum products induced by oil leakage of tank, waste water contained crude oil and hydrocarbons discharged to the atmosphere are introduced. The evaporation loss of petroleum products during storage and filling is analyzed. It is pointed out that the feasible emission regulation should be worked out and relative measures should also be taken to effec tively minimize the evaporation amount to eliminate the pollution to the environment according to the characteristics of storage and transportation for petroleum products in its every chain.