This study uses a stoma self-care app, accessed through LINE official account, a communication software commonly used by Chinese people, as an intervention measure to integrate technology acceptance and task technology adaptation models to explore the correlation of each aspect and its impact on self-care ability and quality of life. Whether the factors and task technology adaptability will affect the willingness and usage behavior of enterostomy patients, the research subjects can effectively improve their self-care ability, quality of life, usage willingness, and usage behavior after intervention.