Terahertz bracelet has a certain electromagnetic field, which can relax the skin, improve the electromagnetic field, improve the activity of somatic cells, and then slow down the aging of the skin, which has a certain beauty and health care effect. Hertzite has excellent thermal conductivity, which can quickly raise and lower the temperature of the digestive department in a short time. For people who want to feel ice and heat, it has a good practical effect in beauty and skin care. Ice compress can calm body cells and tighten skin; Hot compress can relax the skin and promote the introduction of nutrients. Terahertz minerals can be worn, but they should be demagnetized before wearing to prevent harm to the body.