Drug addicts are generally suffering from malnutrition, and their comorbidities are relatively serious and their prognosis is poor, which poses a great burden to individuals and society. Drug withdrawal is a gradual process, massive consumption of nutritional results in various health problems, disruption of endocrine system, impaired detoxification function, substance and energy dysmetabolism. Nutritional therapy, as the foundation of drug treatment, helps to reduce the severity of withdrawal symptoms and accelerate health improvement. Most evidence⁃base treatment protocols have demonstrated the importance of nutrition to the recovery of addicts. Providing targeted nutritional and dietary interventions according to the different drug use and nutritional status of drug addicts is conducive to improving the detoxification effect, smoothly passing through the acute withdrawal period and even having a positive impact on the prevention of relapse. In order to fully implement the nutritional treatment theory of drug addiction medicine into withdrawal work, this expert consensus summarizes the relationship between drug withdrawal and nutritional diet, analyzes the physical and mental effects of different nutritional factors on drug abusers, standardizes the principles and steps of nutritional treatment for drug abusers, facilitates the application of drug abstinence prevention and control and other related health care personnel, and provides better services for drug abusers based on existing domestic and international research.