Conclusion The time leading to the hairs damaged by tinea capitis strains is earlier and the damage degree of the hairs is severer than tinea corporis strains.

• [摘要]目的 光镜和电镜下观察犬小孢子菌对毛发破坏的程度，比较犬小孢子菌头癣株和体癣株对不同年龄组毛发感染时间的差异。