Cactus kind plant, prick embedded and poisonous juice, after human body is pricked, easy cause the skin red ache, Sao is urticant wait for hypersensitive shape.

• 仙人掌类植物，刺内含有毒汁，人体被刺后，易引起皮肤红肿疼痛、瘙痒等过敏症状。