Because it is difficult for hands to "slim down" through their own movements, they must be heated and burned by external forces, and long-term persistence will have an effect.
Second, become beautiful. Avoid contact with water, wind, sand, oil, extreme cold and high temperature. Frequent contact with these things will make hands dry, aging and ugly, which requires less housework and less exposure to strong winds, oil and water, cold and other environments.
Lifting heavy objects frequently and exerting force with your hands will also make the long cocoons on your hands rough.
Third, wash your hands frequently and apply hand cream. Especially moisturizing skin care products, remember to apply them after washing your hands every time, because the skin after washing your hands will need more nutrition.
Of course, thin fingers are not feasible for everyone: if the problem with your fat fingers is that your fingers are thick, it is difficult to thin fingers.