The following are the reasons why girls often have nightmares: First, the patient has had very scary experiences or things in the past, and such things have a great impact on the patient’s future work and life. The nightmare may also be the precursor of certain physical diseases, such as patients suffering from malignant tumors may have frequent nightmares, it is recommended that patients go to regular hospitals to check the diagnosis. Third, frequent nightmares may also be caused by neurasthenia, extreme weakness, it is recommended to give Chinese medicine, traditional Chinese medicine approach to improve the symptoms.