A male, 22 years old, Zhangjiakou, Hebei Province, initial consultation September 1, 2014 Complaint: fever for more than 6 weeks Present medical history: six weeks ago fever, vomiting, diarrhea, given antimicrobial static fever in the local clinic. After that, fever again, considered as upper respiratory tract infection, given azithromycin and other antimicrobial treatment, still fever, in the local hospital to check the posterior wall of the pharynx abscess, static ceftazidime for 10 days, posterior wall of the pharynx abscess disappeared, but the temperature did not drop, still fever (38.2-39 ° C), chest radiographs did not show any abnormality. The chest radiograph showed no abnormality. He was seen in 301 and Union Hospital, and several tests (immunization, antinuclear antibody, etc.) were normal. Peripheral leukocytes were normal, lymphocyte ratio and count were decreased. At the time of consultation, he saw: fever (38.5℃), malignant cold, limb pain, fatigue, occasional cough, no sore throat, no runny nose, no sneezing, and irregular body temperature. The tongue is red with thin yellow fur, and the pulse is thin and stringy. Examination: pharyngeal congestion, clear respiratory sounds in both lungs. Prescription: Honeysuckle 10, Forsythia 10, Thornywort 10, Mentha piperita 10 (later), Bupleurum Chinense 12, Scutellaria baicalensis 10, Semenematanthes bracteatae 10, Gypsum 30 (decocted), Rhizoma Qiangshu 10, Radix Angelica Sinensis 10, Rhizoma Zhi Materia 10, Artemisia 12, Radix et Rhizoma Qian Hu 10, Semen Platycodonopsis 10, Taraxacum officinale 20, five doses. She took 4 doses of the medicine on her own and returned on September 12, complaining that she had no further fever since September 4.