Gym family card is a kind of membership card for family members, which usually includes a primary card and a secondary card. Family members can use this card for fitness activities, whether at the same time or alone. When using a family card, it is necessary to input fingerprint or facial information when handling the card, so that family members can use the same family card for fitness. Family cartoons often enjoy different preferential policies according to the duration of use, such as giving away some extra uses or using them for free for a period of time. The specific rules of use may vary from gym to gym. It is recommended to check the rules of the gym before using it.