Eating difficulty, the common eating problem of patients with dementia, affects food intake followed by weight loss, malnutrition and increased infection rates and the opportunities of being placed into institutions. This article is to introduce the definition and prevalence of eating difficulty, illustrate the attributes of eating difficulty behaviors which may occur in the eating process, and then, present the non-pharmacological interventions of improving eating difficulty in patients with dementia. In addition to promoting medical professionals' and caregivers' understanding about the phenomenon of eating difficulty, it is hoped that dementia care professional can apply the non-pharmacological interventions to improve eating difficulty, to enhance eating quality of patients with dementia and to decrease caregiver burden.