The best way to put it is that it is suitable for individuals, can practice hands and effects safely and easily, keep fit and get rid of diseases. Therefore, it is more practical to choose a skill with good reputation and guidance from a master.
Since ancient times, Taoist figures have been aiming at immortality. After thousands of years of practice, they have produced a lot of health qigong and many immortal monks. Among them, most of the masters of Nanpai Neidan lived to be nearly a hundred years old and over a hundred years old. Most of Nanzong's double major is to cultivate life skills first, that is, to work hard in Xiadantian to connect the meridians of the whole body and achieve the purpose of prolonging life. Therefore, it is best to choose Nanzong or a master to practice the skills of Dantian in health qigong.