患者女，5岁，家长代诉患儿半月前右膝上疼痛，随后出现跛行，起病后曾发热（38℃左右）2天，当地医院疑“外伤”，经中草药治疗无效而来我院就诊。体查：体温37℃，脉搏84次／分，呼吸21次／分，发育良好，神志清楚，正常肤色，无出血及浅表淋巴结肿大，心肺无异常，腹部手软， Female patient, 5 years old, parents complained about the right knee pain in children half a month ago, followed by limp, fever after onset (38 ℃ or so) for 2 days, the local hospital suspected “trauma”, the Chinese herbal medicine from the invalid Our hospital. Physical examination: temperature 37 ℃, pulse 84 beats / min, breathing 21 beats / min, well-developed, conscious, normal skin color, no bleeding and superficial lymph nodes, no abnormal heart and lungs,