With the continuous improvement of people's understanding of healthy aging, how to age decently and healthily has become a new topic of human exploration. Various factors make sarcopenia and dysphagia very common in the elderly, and the concept of "sarcopenic dysphagia" was born. This review synthesizes and extends the current understanding of sarcopenic dysphagia, emphasizing novel diagnostic and therapeutic strategies, particularly emerging technologies and multidisciplinary approaches. We begin by discussing pathophysiology and overlap with malnutrition and oral frailty. Next, we explore cutting-edge diagnostic tools and treatment modalities, focusing on how recent technological advancements have reshaped clinical practices. This review highlights the significance of integrating care across specialties, including nutrition, physical therapy, and speech-language pathology, to offer holistic care. It is hoped that our review will contribute to further understanding of sarcopenic dysphagia and thus provide new insights into promoting healthy aging in the elderly.