1, apply vinegar, wash your hands first, then apply vinegar on your hands, and don't even drop it under your nails. After a period of time, this itching will gradually disappear, which is the result of acid-base neutralization.

2, fire roasting can also be roasted on the fire, repeatedly flipping the palm of your hand, making your hands hot, which can relieve itching. But be careful not to burn your skin.

3, rice, put your hand in the rice and rub it repeatedly, which can also relieve itching.