The entanglement disorder is mainly due to the following reasons: first, character or personality defects, such as easy to low self-esteem, nervousness, while no friends, it is easy to not confident, encounter problems will be looking ahead, before the fear of wolves, after the fear of tigers, it is easy to entangle, it is difficult to make decisions. Second, may be caused by disease, such as obsessive-compulsive disorder, obsessive-compulsive disorder has a certain personality base, that is, to be strong, perfectionist, picky, want to do everything perfectly and even do everything perfectly, when it comes to problems and even make decisions, it is easy to very tangled or even take a long time, it is difficult to make up your mind. Third, bad habits or life experience caused by a lack of life, such as making decisions easily influenced by others or even do not understand what the heart wants in the end, always blindly compare with others, the previous opportunity to make decisions is also relatively small, inexperienced and even people show special immaturity, if the above causes to actively adjust to the symptoms.