Summary of case history,　The patient, Yao XX, female, 6 years old, developed fever and cough after suffering from cold 8 days ago, with the highest temperature of 40℃. The chest CT examination indicated lobular pneumonia and mycoplasma antibody positive, and the right lower limb pain accompanied by cold skin 3 days ago. This time, the main complaint was "fever and cough for 8 days, right lower limb pain for 3 days".,TCM diagnosis,　Pneumonia and cough (Phlegm-heat blocking lung syndrome combined with blood stasis syndrome),Western medicine,diagnosis, Mycoplasma pneumonia, right lower extremity occlusive arteritis, influenza,Therapeutic methods,　Traditional Chinese medicine treatment to clear heat and phlegm, promote blood circulation and collaterals, to be self-prepared Qingfei Shuluo drink, with western medicine treatment to anti-infection and other symptomatic treatment.,Clinical outcomes,　Second diagnosis found the right head sigmoid sinus thrombosis, after about half a year of treatment, pneumonia cured, thrombus disappeared, so far no recurrence.