Group insurance could be regarded as a part of employee¡¦s welfare, typically in the study objectives, cross straits have the same culture and race; and a vast of Taiwanese businessmen over there in the recent years, will this fashion transfer from Taiwan and affect with Mainland China--this is one of the study motives. The study objectives are as follows: 1. Using the questionnaires investigation, it examines the affecting factors of management analyses for the group insurance and the demographic variables effects of group insurance purchasing and renewal. 2. Using interview approach, it links with cross straits of managers engaging on group insurance in the practical management frequently meeting difficulties and their related of cooping strategies. 3. Combining the research conclusions and results, it offers the management systems in the application as the suggestions in the cross straits of group insurance industries. The research results are as follows: 1. For the reliability, Taiwan and China¡¦s group insurance of purchasing and renewal consideration factors are more than 0.78. 2. For the validity, the questionnaires refer Huang (2006) and Kuo (2007) or similar contents and aim at the research case company¡¦s characters and modifications so as to fits the content validity. 3. For the correlations, all aspects between cross straits of group insurance purchasing and renewal factors are attained 99% significantly and positively levels. 4. For the differences of group insurance purchasing and renewal, the genders have no significantly different. The monthly incomes exhibit significantly different. The numbers of employees show very significantly different. As for the company¡¦s capital amounts, Taiwan is very significantly different, but China is significantly different.