The psychological causes of bulimia include stress, anxiety, depression, etc., as follows: 1, more stress: for example, recent study pressure, heavy economic burden, more family conflicts, arguments with relatives and friends, may make people appear abnormal diet, such as appetite surges and other problems; 2, anxiety, depression and other emotional problems: anxious, nervous, depressed mood people are prone to use methods such as overeating to seek relief, and even serious will be through vomiting, diarrhea and other bad behavior habits to let their emotions ease down.