Food security is usually under threat, especially when it comes to food security in urban areas. The threats include wide range of climate disasters, excessive food processing, genetic modification, and overuse of chemical insecticides. All these exert a negative influence on food security in terms of unbalanced food production. Urban areas are completely dependent on villages for food supply, as the cities and towns are devoid of ample spaces to be used for agriculture. In response to the problems of food security prevailing in urban areas, a device (Miaomiao) has been invented that can solve the problem of food security in urban homes and can make them green.