Patient: Description of condition (onset time, main symptoms, hospital visited, etc.): Seen at the Affiliated Hospital of Panzhihua College. Female 41 years old, onset of symptoms on April 27, 2011, after eating Dulcimer chicken hot pot three times in a row on April 11, 18 and 25, the right bunion joint was red, swollen and hot in the morning of the 27th, which was relieved by acupuncture. on May 16, she ate Dulcimer chicken hot pot again, and the right bunion joint was red, swollen, hot and painful again in the evening. The gout and internal rheumatism were investigated, but it was inconclusive and further tests were needed. However, in the test list, immunoglobulin G 1660, reference value 751-1560; anti-SCL-70 antibody is weakly positive; anti-histone antibody is weakly positive; anti-nuclear antibody (fluorometric) 1:100 is weakly positive. Alanyltransferase 78 reference value 1-31; Menthyltransferase 51 reference value 1-31; Total protein 85 reference value 60-80, globulin 38 reference value 20-35. Topical Ji Peng cream, prescribed Prednisone acetate tablets, not taking. Please help me to find out what is it? Drolma Tsetan, Department of Medicine and Bathing, Qinghai Tibetan Hospital