The purpose of this study was to develop a guidebook for the implementation of the Ubrug Banten sociodrama as a group building method in order to improve students' interpersonal communication skills. This research was developed based on aspects of interpersonal communication according to De Vito (2011) which includes openness, empathy (empathy), supportiveness, positiveness and equality. The research method uses RD. The development model uses ADDIE which is simplified into three stages, namely analysis, design and development. The data collection technique used is by conducting an expert due diligence on the product being developed. Statistical data analysis techniques for product development feasibility tests quantitatively and qualitatively. Based on the validation results, it is known that the assessment of the media expert's assessment of the ubrug sociodrama guidebook product obtained a total score of 85% with very feasible criteria, while the assessment of material experts on the material contained in the ubrug sociodrama guidebook product obtained a total score of 81% with criteria very worthy. The Ubrug sociodrama guidebook can assist counseling teachers in delivering material on interpersonal communication skills by means of group guidance with sociodrama techniques in an effort to learn and preserve the cultural arts of the Ubrug Banten area and can assist students in improving interpersonal communication skills through exercises from student journals or assignments found in the guidebook for the Ubrug sociodrama.