Finger thickness is mainly determined by congenital genetic factors and is generally not easy to change. Minors may be able to make their fingers thinner through later intervention, but adults are almost unlikely to be able to do so. Usually you can do more hand stretching activities, such as playing the piano, play the electronic piano exercises, do more finger exercises and massage hand acupuncture points, promote blood circulation in the fingers, improve the flexibility of the finger joints, obese people can lose weight to make the fingers look relatively thin and long. It is recommended to pay attention to the care of the hand skin, apply hand cream, glycerin and other skin care products before going to bed every day, so that the hand skin becomes delicate, through all aspects of the comprehensive conditioning as much as possible to improve, can make the fingers become longer and thinner.