The research evaluated nutrition status of hospitalized adult patients (from 17 to 75 year old) by anthropometrical and by SGA tool. A cross sectional study, was conducted with involvement of 268 hospitalized patients at Cam Pha hospital and tuberculosis hospital of Quang Ninh province from October to December, 2012. The results show that the prevalence of malnutrition of hospitalised patients at Cam Pha hospital and tuberculosis hospital of Quang Ninh province was average level by both anthropometric or SGA methods: CED prevalence was 29.8 percent (by anthropomestric method) and prevalences of at risk malnutrition and malnutrition was 14.1 percent (by SGA tool). The prevalence of malnutrition (by BMI or SGA) have trend to increase by hospital length of stay, and by BMI tool, the trend of reduction was significally with p 0.05.