Inclusion Criteria:  The main inclusion criteria were as follows: had diagnosed CD more than 3 months; had EEN in the past 6 months; were at least 18 years old; agreed to participate in this study.  Exclusion Criteria:  The exclusion criteria were received treatment from mental health professionals due to any mental or cognitive impairment; suffered from other serious diseases, such as heart, brain, lung, liver and kidney dysfunction; severe infection, anemia, cachexia or other serious complications were found.