由于对急性良性肌炎认识不足,国内报告较少。现将我院1986～1989年门诊观察治疗的11例报告如下。临床资料本组男8例,女3例,男女发病比例为2.7∶1。年龄最大11岁,最小2岁。四季均有发病,春季发病率最高(10/11例)。上感症状一般2～7天,均有发热(体温波动在37.5℃～39℃),头痛,流涕,咳嗽,全身肌肉酸痛及一过性皮疹,胃肠道症 Due to lack of understanding of acute benign myositis, fewer domestic reports. Now in our hospital 1986 ~ 1989 outpatient observation and treatment of 11 cases are reported as follows. Clinical data The group of 8 males and 3 females, male and female incidence ratio of 2.7: 1. The oldest is 11 years old and the youngest is 2 years old. Four seasons have onset, the highest incidence of spring (10/11 cases). Symptoms on the general 2 to 7 days, both fever (temperature fluctuations in the 37.5 ℃ ~ 39 ℃), headache, runny nose, cough, body aches and rashes transient rash, gastrointestinal disorders