（1） If you prove that you are more suitable for raising children 1. If your salary and education level are better than the other party's, you can collect salary forms, tax certificates, degree certificates and other evidence;
 2. If the children live longer with themselves or are cared for more by their parents, the neighborhood committee can issue a certificate or the neighbors can provide witness testimony to prove it;
 3. If you have good living environment and convenient schooling conditions, you can provide relevant certificates;
 4. If their parents are willing to help take care of their children, they can collect relevant evidence such as their parents' physical conditions and willingness to take care of their children voluntarily;
 5. Unit certification of their work performance and ideological quality;
 6. If the child is under two years old, the wife may provide the birth certificate of the child;
 7. Other evidences that can prove that their own conditions are conducive to the growth of children.
 （2） Relevant evidence can be collected to prove that the other party is not suitable for raising children and that the other party has the following circumstances, which are not conducive to the growth of children: 1. The other party has extramarital affairs; 2. The other party has bad habits, such as gambling, drinking and other bad habits; 3. The other party has a malignant infectious disease or other major diseases that affect the growth of the child; 4. The other party does not go home for a long time and does not fulfill the obligation of upbringing; 5. Other evidences that can prove that the other party is not suitable for raising children.
 （3） Others 1. If the child is over 10 years old and under age, do a good job in the child's ideological work, and strive for the child to choose to live with himself or herself; 2. The probability of self infertility or rebirth is small, and relevant medical documents can be provided; 3. He has no children, and the other party has evidence of other children.