The purpose of this study is to design a nutrition and exercise course for the elderly adults in the community, and to evaluate the effectiveness of this course intervention on the nutritional knowledge, nutritional status, sarcopenia, and health status of the elderly in the community. This study adopted convenience sampling and targeted 108 community elders over 65 years old in Taipei City. All participants receive 3 nutrition and exercise courses. Each course was separated by one week. Measurements and collections were conducted one week before and one week after the course. BMI (body mass index), muscle mass, calf circumference, grip strength, Mini Nutritional Assessment Form Short Form (MNA-SF), SARC-F scale, Taiwan Short Form 36 Health Scale (SF-36) and nutrition knowledge and attitude and behavioral questionnaires will be collected to evaluate the effectiveness of the course.