166 children with Kawasaki disease during Fab in 1984 to May in 1986 were followed-up, and the clinical datum were analysed The ages of 3 mo-3 years old were predominant group of them,, It was much more common in the winter/spring, male was. more than female. The main manifestations included fever(100%), conjnuctivitis (84.3%), multiformal erythema(84.3%), stomatitis(83.7%), desquamation at digits and the periphery of anus(81.3%), Scleredema in extremities (67.5%)and heart mur-mur(15.1%)0 There is only one case of myocardial infarction or Adams-Strockes syndrome respectively A bifid T wave was the most common feature among the various abnormalities of EKG but disappeared with recovering from the disease In 17 patients, the subypes of IgG were abnormal,, A sign showed a wide coronary artery was discovered in 10 cases by echocardiogrephy and returned to normal size in 8 months. The disturbance of cardiovascular system was lesser severe in present study, no-bady had a coronary aneurysm All but one patient with myocardial infraction recovered completely in 3-4 weeks. The incidence, etiology, cardiovascular features, early dignosis and tretment on the disease were discussed

0.5).IgG、IgA and IgM of controlgroup and observation group in 10～13 years old are similar to that in 5～9 years old group. The IgG_1of control group and observation group in 5～9 years old are 5.501?0.976 and 9.715?3.746g/L respe-etively (t=5.046, P0.05),IgG_3 are0.517?0.167 and 0.828?0.578g/L respectively (t=2.132, P0.05).The IgG_2 Levels of observation groupis higher than that of control group in 10～13 years old(P