It has been identified that polymorphisms of some genes are related to the growth of stroke, such as DIAPH1 (Ren et al. 2020), ABO (Ling et al. 2016), MTHFR (Chauhan and Debette 2016), Kalirin (Li et al. 2017), and Lp-PLA2 G994T (Ni et al. 2017). The gene discussed is MTHFR; the disease is stroke disorder.