It is also possible that the most direct way to change hand lines is years of hard work. Accidents are skin changes caused by physiological diseases, and emotional changes can also cause physiological changes, but I mean the same emotion for a long time, such as escaping into an empty door, or the long-term (decades) knot is difficult to untie, not an instant change. This instantaneous change is imperceptible to the naked eye and existing instruments.

It is said that some experts have suggested that some handprints reflect the physiological changes of the human body.

It will also change with the emergence of diseases.