Stunting is a condition of growth failure in children under five due to chronic malnutrition, especially in the First 1,000 Days of Life (HPK). As a form of government responsibility related to efforts to accelerate stunting reduction, the government issued Presidential Regulation (Perpres) Number 72 of 2021 concerning Acceleration of Stunting Reduction. In the 2020-2024 RPJMN, the government targets the stunting prevalence rate in Indonesia to decrease to 14%. Therefore, districts/cities, especially those that are priority districts, must make convergence efforts in accelerating stunting reduction. Kubu Raya Regency is one of the areas in West Kalimantan that has a high percentage of stunting. The use of evidence plays a very important role in the policy-making process, especially in the policy of the Stunting Reduction Acceleration program which is a priority program at this time in accordance with Kubu Raya Regent Regulation Number 59 of 2019. The research method used is descriptive qualitative using data collection techniques in the form of observation, interviews and documentation. Data analysis used in this research with the concept of Evidence Based Policy, which includes several indicators, namely program assessment, budget development, implementation oversight, outcome monitoring and target evaluation. The results of this study show that the use of evidence in the implementation of Kubu Raya Regent Regulation Number 59 of 2019 concerning the Stunting Reduction Acceleration Movement provides significant changes and runs effectively with several new activities and innovations that adjust to the needs.