Intensification of livestock production has negatively affected animal welfare and the ecosystem. Improvement of animal welfare has been increasingly concerned and put in laws or regulations. In fact, animal welfare, which is directly associated and interacted with human well-being and the environment, has led to the new concept of one health and one welfare. The aim of this paper is to help policy makers, professionals, producers and stakeholders to identify more clearly the interrelationship among animal welfare, human welfare, and environmental protection, and thus to promote the collective or joint actions to achieve sustainable development goals. Improvement of animal welfare would help improve human welfare and vice versa. Environmental protection is crucial for the welfare of human and animals and fundamental to sustainable development. One welfare should be a comprehensive aproach to ensure sustainable development of livestock production. To put this approach into practice, it is needed to develop an assessment framework and a program with standards and practical guidelines for one welfare application.