An 11-year-old boy was admitted to our department on February 20, 2019 with acute suppurative tonsillitis and erythroderma due to intermittent fever for 13 days, rash for 11 days, accompanied by desquamation and edema for 5 days. The patient initially presented with high fever and sore throat, and purulent exudation was observed in bilateral tonsils on physical examination. Inflammatory indicators were monitored as follows: blood routine WBC:11.58×10,9,·L,-1,~ 36.1×10,9,·L,-1,N:66% ~ 79%,L:20.6% ~ 13%,and CRP:105 ~ 215 mg·L,-1,. After admission, the child had low fever, flushing and swelling of the skin all over the body. When touched by the hand, there were scattered red papules and obvious pruritus. After local scratching, the skin broke, exudated and crusted, and scales and peeling were seen in the skin folds. Clear mind, irritable, red face, fear of cold, like to drink cold water, poor sleep, poor appetite, short red urine, dry stool, 2 days once, red tongue, thin yellow and greasy moss, pulse slippery number.,TCM diagnosis,　Warm toxic hair spots; Poisonous burnt gas camp certificate.,Western medicine diagnosis,　Erythroderma.,Therapeutic methods,　Chinese medicine treatment to clear heat and cool blood, Qudampness detoxification as the principle, using XiJiaoDihuang decoction plus or minus; In combination with skin care, apply olive oil to the skin, 2~3 times a day, and apply chloramphenicol zinc oxide liniment topically.,Clinical outcomes,　Recovery.