先证者Ⅳ_2,女,3岁。患儿从1岁多无诱因自感四肢痛,麻、酸、胀,尤以双手双足为重。发作时哭闹不安,需家长按摩,搥击、活动患肢后方可入睡。发作时间20～40分钟至几小时,间歇1周左右。多发于夜间、午睡后或休息时。上述症状,呈现周期性,发作时口服去痛片症状减轻。 Probate IV_2, female, 3 years old. Children from 1 year old and more no incentive to feel limb pain, hemp, sour, swelling, especially with both hands and feet. Crying when the onset of anxiety, parents need massage, hammering, active limbs before falling asleep. Attack time 20 to 40 minutes to several hours, intermittent about 1 week. Occurred at night, after a nap or at rest. The above symptoms, showing cyclical, seizures orally take painkillers relieve symptoms.