How to release static electricity before contacting computer accessories?

Computer accessories are extremely sensitive to electrostatic discharge (ESD), and should release the static electricity before contacting with the hand. You'd better wash your hands in advance and dry them with cotton cloth. The operation of the first contact with a hand computer chassis bare metal surface, and then use the other hand and computer accessories electrostatic protective bag contact, at least two seconds to keep the static electricity as far as possible release. When removing the accessory from the electrostatic protective bag (especially the board card), just hold the edge part and avoid touching the circuit and IC chip. And avoid unnecessary walking, especially on carpeted floors.