三、设计有效的干预在PATCH程序中，社区委员会首先要列出本社区的健康问题、相关危险因素水平及目标人群的情况，然后再制定相应的干预计划。1干预策略为使于预计划有效，应采用教育、政策和环境三种策略。因为这三者间存在着协同作用，所以我们建议将三者结合起来。这三个干 III. Designing Effective Interventions In the PATCH program, the community committee must first list the health problems of the community, the level of related risk factors and the target population, and then formulate a corresponding intervention plan. 1 Intervention strategies To make pre-planning effective, three strategies should be adopted: education, policy, and the environment. Because there is a synergy between the three, we propose to combine the three. These three dry