Based on the organization of the survey according to a unified and strict process, the study of the current situation has used many methods synchronously, helping to increase the accuracy and reliability of the collected information. The survey data has been processed and analyzed in many different ways, including qualitative and quantitative analysis, to produce results with high reliability and scientific value. The data collected from these methods have contributed significantly to the accuracy and scientificity of the research results on the current situation of parents' PCGD and its impact on the TCHT of secondary school students in Tay Ho district, Hanoi city.Based on the organization of the survey according to a unified and strict process, the study of the current situation has used many methods synchronously, helping to increase the accuracy and reliability of the collected information. The survey data has been processed and analyzed in many different ways, including qualitative and quantitative analysis, to produce results with high reliability and scientific value. The data collected from these methods have contributed significantly to the accuracy and scientificity of the research results on the current situation of parents' PCGD and its impact on the TCHT of secondary school students in Tay Ho district, Hanoi city.