The World Health Organization (WHO) reports that around 312 million people in the world suffer from obesity, which is defined as an abnormal or excessive accumulation of fat that can be harmful to health. Aim. Evidence association between obesity and Chronic Noncommunicable Diseases ECNT in adults. Method. A systematic review was carried out based on information published in databases such as Medline, ScienceDirect, INEGI and OMS. Results. The information detected in the network indicates that there is sufficient evidence of the association between obesity and chronic noncommunicable diseases, including diabetes mellitus, hypertension and cancer, and it was found that work between government and society is necessary. , that is, with co-responsibility. Conclusions. There is sufficient evidence of association between obesity and NCD, sedentary lifestyle, the socioeconomic conditions in which the vast majority of the Mexican population lives, the level of schooling and measures to mitigate incomplete obesity, such as labeling of food products without standard to compare and make the decision to consume them or not, among others. Disjointed programs of social reality, designed in the desktop or inherited, do not provide positive results.