The universal ethical phenomenon in literary texts is a key concern in literary ethics criticism. Ethical issues in literary works are reflected in ethical line and ethical knot, and the two together weave the entire literary text. The ethical structure deeply reflects the ethical consciousness in the works. Among them, the ethical line shows the main ethical line of the work and the occurrence and development of leading ethical issues from a macro perspective；The ethical knot shows the basic ethical issues, contradictions and conflicts in the works, as well as the formation and resolution of ethical dilemmas from the microcosmic aspect. Therefore, this article selects the masterpieces of ancient strange novels in China and South Korea, LiaoZhaiZhiYi(聊斋志异) and TianNiLu(天倪录), to explore the ethical consciousness embodied in the works. The ethical structure and ethical connotation in the works are mainly analyzed from the two aspects of the ethical line in the artistic setting of the two works and the ethical knot in the ethical narrative.Including the embodiment of non-human images in the art setting and the author's self-evaluation on the ethical line, as well as the construction of the ethical knot by the genre narrative and the deconstruction of the ethical knot by the karma narrative.Using the analytical method of comparative research, explore the different levels of ethical consciousness and ethical connotation reflected in the two works, explain the ethical issues and ethical reasons under the background of different countries and times, and provide ethical inspiration.