It is an acute infectious disease caused by various Salmonellae. Typhoid Salmonella and Paratyphoid Salmonella are often collectively referred to as Typhoid Salmonella. Although they also belong to the genus Salmonella, due to traditional habits and certain characteristics of the pathological changes and clinical manifestations of typhoid and paratyphoid, they have been introduced in a separate topic. Therefore, other Salmonella infections refer to Salmonellosis (non-typhoidal salmonellosis) caused by non-typhoid Salmonella. The main mode of transmission of this disease is through eating meat, egg products and dairy products contaminated by Salmonella. Due to the differences in pathogenic bacteria and body reactivity, its clinical manifestations are more complicated and can be divided into gastroenteritis type, typhoid type, sepsis type and local suppurative infection type. In addition, it can also manifest as urinary tract infection and asymptomatic infection.