Cardiac neurosis can cause pain in the left back against the heart. Cardiac neurosis is a disorder of the cardiovascular system caused by abnormal mental state, psychological stress or neurological dysfunction. If the patient is overworked, emotionally agitated or overly worried, symptoms such as chest tightness and shortness of breath as well as radiating pain in the anterior and posterior regions of the heart may occur, and oral medication may not be effective. Patients with this disease need to pay attention to overwork and emotional excitement in daily life, can listen to more soothing music or participate in some recreational and social activities, to divert attention and relaxation, under the guidance of the doctor to actively cooperate with the treatment, so as to achieve good therapeutic results.