On the base of summaries about the clinical symptoms,pathological changes,seasonal characteristics of high pathogenic PRRS,"Fuzhengquxie" method was proposed to control "high fever disease".

The Present Situation,problem and countermeasure of control of PRRS;

Gentic variation of Nsp2 genes of highly pathogenic porcine reproductive and respiratory syndrome viruses in Yunnan province;

The author tries to summarize the harm to mankind, epidemiology, clinical manifestation,preventivetactics of highly pathogenic avian influenza.

Recently,there are more investigation and study on the epidemic,immunology,pathogenic mechanisms,lab diagnosis,and integrated control measures of highly pathogenic porcine reproductive and respiratory syndromes(PRRS),especially the diagnosis and control measures became hot topics.