Or do stretching exercises (simple, such as making a fist and opening your palm, etc., do it when you have time)

You can also lift heavier things ~ ~ not too heavy ~ ~

There is also a very popular one abroad, wrapped in cloth.

Hand skin can be massaged more when it is well (in fact, blood circulation is better than anything else). Wash your hands when you wash your face, and try not to bask in the sun.

There is also a hand cream coated with snake oil, which is very good, cheap and practical ~ ~ ~