1案例某男，44岁，农民，患精神分裂症十余年。某日晚突然死氏其妻称死者系因精神病发作出门游荡，晚上回家时口后有伤U并出血，未被重视，第一二天晨起时发现其大己死亡。尸体检验见死者日后、指甲紫纵眼球突出，眼结膜点状出血。上唇可见一1．3cmXO．Zcm创口，创缘整齐，创角 A case of a male, 44 years old, farmer, suffering from schizophrenia for more than ten years. One day later, his wife, who died, died suddenly of wandering because of a mental illness. At night when she went home, she suffered injuries and bleeding after being deceased. It was not taken seriously and she was found dead on the first two days of the morning. See dead body after the test, nails purple longitudinal eyes prominent, conjunctival punctate bleeding. The upper lip shows a 1.3cmXO. Zcm wound, wound margin neat, a corner