This study was conducted to suggest a thinning method to find out materials needed and preserve forest for forest healing programs. A Delphi survey was implemented to draw survey questions necessary for taking care of healing forest; a survey for people who have career in forest healing program was also conducted to figure out the importance of storytelling trees. The result showed that the suitable thinning method for healing forest is the eclectic method of quantitative and qualitative thinning methods. There were 10 tree types in the importance of selecting storytelling trees: dead wood in ecological state, unusual type of wood, fragrant wood, another trees standing independently in the main tree group, flowering trees, trees bearing fruit to taste, wood with a distinctive bark, wider and larger trees, wood for medical use and tree extending to various degrees at chest height in the following order. Therefore, considering 10 tree types above it is recommended to preserve and take care of trees for storytelling in healing forest.