Obesity is a global epidemic. A rise in obesity has been fueled by the COVID–19 enforced lockdown, having a massive impact on health, leading to over-eating and poor diet and sleep, as well as a reduction in physical activity and exercise and loneliness, as there is a need to stay healthy, fit and stronger and rebuild some of the healthy habits. It is related to improved risk of illness and death with ideal body weight. Physical activities with modifications of exercise and calorie intake together are considered as cornerstones in the prevention and management of obesity. Genetic factors, lifestyle factors such as financial status, home, and working environment and social relationships, play significant roles in developing and modifying weight control. Periodic weight gain is common during such times as holidays, the COVID-19 lockdown, and winter months. This review includes the most important aspects of obesity management were discussed, such as diet and nutrition, physical activity and exercises, lifestyle and environmental changes. Adherence to lifestyle measures with healthy eating habits and more physical activity, around the home to be encouraged among people, to offset the resultant obesity is what we recommend them and also discover new ways of raising the spirits while isolated.