Although there is no clear stipulation of debt to join in our country, but since first rises from "a discuss from Jiangsu High People's Court No.16[2005]", this became a great hot issue to both theory and practice. Based on trial practice in a special case as a starting point, we're willing to argue that controversial focus analysis way to creditors for the guarantor to join, it shall be deemed to be debt payments and system in the form of case study show debt in that way, and in the final analysis of the debt to join people to perform the debt should be how to recover the problem, hope to be able to as analysis concluded that debt to join in the practice of effective reference.