<p class="MsoNormal" style="text-align: justify;">This article elucidates the importance of mother child trust from the emergence of "killing off" in Chinese society, difficulties in rural family education, and the crisis of identity faced by middle school students. Summarize from four aspects: trust types, trust factors, trust connotations, and trust fields, and point out the shortcomings of existing research. Research has found that research methods on maternal child trust among rural junior high school students focus on quantitative research, lacking qualitative research; The selection of research samples has limitations and has not fully considered the diversity of rural areas; Current research mainly focuses on the trust relationship between mother and child, while ignoring the impact of other family members, schools, communities, and other factors on mother child trust; The existing foreign theoretical framework may not be fully applicable to rural areas in China; At the same time, there is also a lack of attention to practical applications.</p>