Upper limb and facial vascular varicose, edema and bruising are symptoms of superior vena cava syndrome, also known as superior vena cava obstruction syndrome, which is a syndrome caused by venous obstruction in the superior vena cava or its surrounding lesions, resulting in obstruction of blood flow in the superior vena cava, resulting in varicose, edema and bruising in the upper limbs and facial veins. Prevention of varicose veins, edema and bruising of upper limbs and face: 1. Actively prevent and treat the original disease, pleural effusion is part of the chest or systemic disease, so actively preventing and treating the original disease is the key to prevent this disease. 2, enhance physical fitness, improve the ability to resist disease, and actively participate in a variety of suitable physical exercise, such as taijiquan, taiji sword, qigong, etc., to enhance physical fitness, improve the ability to resist disease. 3, pay attention to life conditioning, live in a dry place, avoid the invasion of dampness, do not wantonly eat cold, do not overeat, keep the normal function of the spleen and stomach, after the disease, timely treatment, avoid wind and cold, cautious living, and enjoy the mood.