Whether cervical lymphatic tuberculosis showing incomplete blood flow is serious or not needs to be analyzed according to the systemic condition. When the cervical lymph appears caseous necrosis, cervical lymphatic tuberculosis showing blood flow insufficiency is mostly seen in people with tuberculosis virus infection. Cervical lymph nodes are one of the important immune organs of the human body, and are also the place to receive antigenic stimulation to produce immune response, normal lymph nodes are surrounded by tissues without adhesion and normal blood flow. When a patient presents with cervical lymph nodes that show poor blood flow, it is usually seen in caseous necrosis type of lymph nodes, and most of these patients are infected with Mycobacterium tuberculosis diverticulosis. If the infection is caused by Mycobacterium tuberculosis diverticulum and the patient is not treated in time, or if he or she has a poor physical condition, it may have a serious impact on the health of the body. However, some patients can achieve clinical cure after active treatment and can lead a normal life, which varies from person to person. In daily life, pay attention to personal hygiene and wear a good mask when going out. When discomfort occurs, seek medical attention in a timely manner.