本文通过实践证明:白色念珠菌具有单一性,可用念珠菌花环来检测人体红细胞C_3b受体的百分率。并检测了健康成人、小儿及新生儿的C_3b花环和IC花环形成率的正常值。观察到银屑病患者两种花环形成率较正常人明显增高。系统性红斑狼疮第六种疾病患者的C_3b形成率较健康成人为低,而IC花环形成率与健康人基本一致。并对上述现象进行了初步讨论。 In this paper, we have proved that Candida albicans has the uniqueness that Candida gingivalis can be used to detect the percentage of human erythrocyte C_3b receptor. The normal rates of C3 rosette and IC rosette formation in healthy adults, infants, and newborns were also examined. Psoriasis observed in patients with two rosette formation rate was significantly higher than normal. The incidence of C_3b in patients with systemic lupus erythematosus in the sixth disease was lower than that in healthy adults, while the rate of IC rosette formation was almost the same in healthy people. And a preliminary discussion of the above phenomenon.