It was important glucoprotein modulating cell functions by combination to idiosyncrasy receptor on cell membrane , which inducing process of cascade signal magnifying , then passing signals into nucleus to induce the modulation of the serial gene expression and viarous physiological reaction , and inhence immunity and antivirus 人-干扰素( hu - - ifn )是人体因病毒感染或其它诱生剂作用等所产生的一类非特异性抗病毒物质，是调节细胞功能的一类重要的糖蛋白。
If use avirulent or small poisonous matter to replace toxic carcinogenic substance ; if cannot avoid to use or produce the material that has the effect that cause cancer , should limit the content of poisonous material in raw material , utmost reduces carcinogen to be discharged to the middle of producing an environment , strengthen ventilated , reduce dust to discharge ; reform technological process , use as far as possible automation , mechanization and sealed change producer style , reduce carcinogen and human body to be contacted directly 如采用无毒或低毒物质替代有毒致癌物质；如无法避免使用或生产有致癌作用的物质，应限制原材料中毒物质的含量，最大限度减少致癌物质向生产环境中排放，加强通风，减少粉尘排放；改革工艺流程，尽可能采用自动化、机械化和密封化生产方式，减少致癌物质与人体直接接触。
