1病例报告患者男,18岁。士兵。30min前在野外作业时不慎被毒蜘蛛咬伤左前臂,局部出现灼热和剧烈刺痛感,并伴头晕、恶心等,遂来卫生所就诊。查体:血压100/70mmHg,脉搏90/min。左前臂咬伤处可见红斑2个,中心苍白,周围发红、肿胀,无坏死及水疱。立即给予吸氧,左上臂扎止血带,以防止毒液进一步蔓延; 1 case report Patient male, 18 years old. soldier. 30min before the operation in the wild accidentally bitten by the spider left arm, local burning and severe tingling, and with dizziness, nausea, etc., then came to the clinic. Physical examination: blood pressure 100 / 70mmHg, pulse 90 / min. Left forearm bites visible erythema 2, the center pale, redness around, swelling, no necrosis and blisters. Immediately give oxygen, the left upper arm to stop the tourniquet to prevent further spread of venom;