The presence of a left supraclavicular lymph node is not necessarily bad. If the lymph node enlargement is caused by local inflammation, it is usually benign; if the left supraclavicular lymph node enlargement is caused by malignant tumor, it is a bad result. 1. Good: the appearance of left supraclavicular lymph node enlargement is accompanied by lymph node enlargement in several other parts of the body. If the lymph nodes have large mobility, pain, and soft texture, it may be due to local inflammation or systemic viral infection, and at this time the lymph node enlargement can be cured after active anti-infection treatment. 2. Malignant condition: if there is a painless lymph node on the left supraclavicular region with hard texture and small mobility, the possibility of malignant lesions should be highly valued, because malignant lesions such as lymphoma, lymphoblastic leukemia, and lymphatic metastasis of malignant tumors often invade this lymph node. In this case, we should consult the doctor in time, and carry out puncture pathology examination to find out the cause of the disease and then treat it accordingly. When the left supraclavicular lymph node is enlarged, please go to the regular hospital in time, so as to avoid delaying the condition.