The authors conducted a follow-up investigation and fowl infected chickens at 4 wards and communes in Thai Nguyen city and found the rate of disease whooping ages and seasons are relatively high. The rate of convergence chicken pasteurellosis disease in the whole four wards and communes as 9.43 percent turn communes and wards occupied rate ranged from 8.2 to 11.82 percent. Observed in chickens infected have clinical symptoms and lesions generally, microscopic characteristics. At the same time, the author also conducted for the treatment of chickens infected with 3 regimens (Gentamycin, Sulfathiazole, Oxytetracyc1in, combined with B.complex) results ranged from 57.78 to 66.67 percent.