The purpose of this legislation is to fully fund the Prevention and Public Health Fund, which is a key component of the United States healthcare system aimed at improving public health and reducing healthcare costs through prevention initiatives. The bill emphasizes the importance of investing in preventive health measures to enhance the overall health of the population and manage healthcare expenses effectively. The main provisions of the legislation include a commitment to restore the funding for the Prevention and Public Health Fund to $2 billion annually starting in fiscal year 2026.