Furthermore, the hub bio-targets of calycosin against HF and DM were screened, namely, MAPK1, ARRB1, ABL1, CDK1, MAP3K3, STUB1, PPP1CA, STAT3, PML, IQGAP1, HSPA9, CAV1, KPNB1, SQSTM1, RUVBL1, SFPQ, PPP2CA, PCBP1, ANXA2, and PAK1. Here, PAK1 is linked to hydrops fetalis.