Objective To explore the effects of volunteer-based Omaha System intervention on disability risk and quality of life of elderly people in the community. Methods From March to September 2022,120 elderly people who met the criteria in the community were selected as research objects and randomly divided into control group,intervention group and volunteer group.The control group was a blank control,the intervention group was given comprehensive intervention based on the Omaha system,and the volunteer group was introduced to participate in the comprehensive intervention for a length of 3 months. The effects of the intervention were evaluated by the Omaha Problem Rating Scale for Outcomes, the Disability Risk Assessment Scale for the Elderly and the WHO Brief Quality of Life Measurement Table (WHOQOL-BREF) before and after the intervention,respectively. Results After intervention,the scores of health behaviors in both the intervention group and the volunteer group were higher than those in the control group,and the scores of nutrition, physical activity and personal care in the volunteer group were more significant(P＜0.01). The total score of disability risk assessment scale in intervention group and volunteer group was lower than that before intervention and control group, the difference was statistically significant (P＜0.05). The score of quality life of intervention group and volunteer group was higher than that of control group, the difference was statistically significant (P＜0.05). Conclusion The comprehensive intervention and volunteer participation based on the Omaha system can effectively reduce the risk of disability and improve the quality of life of the elderly.