Introduction : The prevalence of decubitus ulcers in Asia is amounted to 2.7%-16.8%, and in Indonesia, there was a 40% prevalence of decubitus ulcers in 2017. In 2017, the prevalence of decubitus in Bandung was found to be 10.8%. Consequently, the number of active cases and deaths of decubitus ulcers reached 48%. Therefore, efforts to reduce the number of decubitus ulcers are urgently needed, thereby preventing the risk of decubitus severity. Objective: To evaluate the correlation of serum albumin levels and stages of decubitus in inpatients at Dr. Soetomo Regional General Hospital of Surabaya Method: This research was successfully carried out by means of observational analytics, with a cross-sectional research design. Moreover, this research data were derived from medical record data of inpatients at Dr. Soetomo Regional General Hospital of Surabaya in the period of January 2018 – December 2020, with a total of 144,002 patients. 197 decubitus patients in Pandan I and Pandan Wangi rooms were involved in the sample selection process. Based on the inclusion and exclusion criteria, 57 patients were finally determined as research samples. Samples were selected by utilizing Simple Random Sampling. The number of samples in the case group and control group was amounted to 39 patients, respectively. The data of this research were then analyzed using the Spearman Correlation test. Result: The research results indicated that the least number of decubitus patients at stage I was amounted to 8 people (10.3%), and the highest number of decubitus patients at stage III was amounted to 12 people (15.4%). Furthermore, the results of the Spearman correlation test showed that there was a significant correlation of serum albumin levels and stages of decubitus (p = 0.002). Conclusion: There was a significant correlation of serum albumin levels and stages of decubitus in inpatients at Dr. Soetomo Regional General Hospital of Surabaya in the period of January 2018 – December 2020.