The so-called abdominal qi, TCM health preservation refers to people's innate vitality, which exists in everyone. People who haven't practiced can't understand its running state and can't actively adjust it. Through certain cultivation procedures, people can actively mobilize these energies to serve themselves. But when you can reach this state, that is, when you can practice it, there is no certain time limit, but it depends on physical condition, mental condition, diligence and other factors.