Management of the first 1000 days of life and growth and development monitoring needs doctors who motivate as well as parenting guidance to be able to care for and feed the baby, as well as directly monitor the growth and development of their children. Many perceptions and stigmas develop in community can affect parenting parents towards their children. Accordingly, the function of the family physician is expected to have the ability as a care coordinator to support the successful management of the first 1000 days of life. This service requires collaboration between doctors and other healthcare professionals. This is in line with a spirit of partnership and cross-sector cooperation. Primary care/family physician responsible for providing health services sustainably and comprehensively to individuals, families, and the community, in collaboration with other health workers. Primary care/family physicians manage various resources for the benefit of patients and families. Health services in primary care services provide primary to tertiary prevention services, which doctors cannot do alone. Primary care/family physicians are not only responsible for primary prevention and screening; they must also be prepared to manage health problems in the first 1000 days of life, growth, and development, including facilitating referral and reconciliation. This responsibility proves the importance of collaborative practice in primary care services.