We analyzed 1239 variants associated with dermatomyositis and obtained 43 drugs that overlapped with 13 target genes (JAK2, FCGR3B, CD4, CD3D, LCK, CD2, CD3E, FCGR3A, CD3G, IFNAR1, CD247, JAK1, IFNAR2). The gene discussed is JAK2; the disease is dermatomyositis.