1. Benzopyrene (B(a)P) and coal-tar pitch (CTP) are one of the important factors of enhancing incidence and mortality in the taroperating population with professional lung cancer.

2. "Waste oil" contains toxins aflatoxin and benzopyrene, which are both carcinogens.

3. Fluoranthene, perylene, pyrene benzopyrene and benzopyrene have been proposed as the input of terrigenous higher plant.

4. A large number of hydrocarbons such as benzopyrene are also mutagenic.

5. Smoked amine-containing foods by cooking and the multi-ring hydrocarbon side, benzopyrene and amino acid derivatives.

6. Conclusion Antisense ERCC1 RNA decreased the repair capability for damaged DNA in lung cancer cells induced by benzopyrene.

7. In this paper, the concentration distribution was studied of petroleum hydrocarbons and benzopyrene as well as its final behaviors, based on the investigation materials.

8. By absorption it can remove the pigment, aflatoxin B, 3-4 benzopyrene the cancer-causing substances in the animals and vegetable oil.