Infectious Bronchitis (IB) in poultry is an acute and highly contagious respiratory disease caused by the Infectious Bronchitis Virus (IBV), which widely affects chickens, especially laying hens and broilers. The disease not only causes respiratory symptoms, but may also cause decreased egg-laying performance and kidney damage, causing significant economic losses to the poultry farming industry. This article will introduce in detail the etiology, symptoms, diagnosis, and scientific prevention and treatment options of infectious bronchitis in poultry to help farmers effectively deal with this disease.