The experiment was conducted to investigate the genetic inheritance to Physiological Race 4 of club resistant in seedling-edible Chinese cabbage. The high resistant inbred line CRK8 and the excellent susceptible inbred line D70 were used as materials to obtain the generations of P₁, P₂, F₁, reciprocal F₁, BC₁[（P₁×P₂）×P₁], BC₂[（P₁×P₂）×P₂], F₂[（P₁×P₂）].These groups were inoculated at seedling stage using the injection method. The results showed that there was no difference in the results of the reciprocal vaccination, which showed high resistance. The F₂ population developed resistance separation, and the resistance and sensation were 3.465 compared with the χ² test, which was consistent with the separation rule of 3:1. The BC₁ population was isolated, and the resistance and susceptibility were 0.454 compared with the χ² test, and the resistance ratio was in accordance with the 1:1 ratio. The results showed that the resistance to Physiological Race 4 of the seedling-edible Chinese cabbage to club root disease was controlled by a pair of dominant nuclear genes. Hybridization combinations formulated with CRK8 were shown to be highly resistant to club root disease and verified this result. The degree of disease is different in BC₂ and F₂, indicating that there is also a micro-gene effect in resistance.