Touch interaction method and device

A touch interaction method applied to a touch interaction device, the touch interaction device including an electronic device including a screen, an accessory device subordinate to the electronic device, and at least one sensing device, wherein the at least one sensing device is disposed in one of following ways:

• the at least one sensing device is disposed at a bottom of the accessory device, and the at least one sensing device is disposed at the bottom of the accessory device and on the electronic device;
• and the method comprising:
• determining, by the electronic device, whether the accessory device is placed on the screen of the electronic device according to sensing information of the at least one sensing device;
• determining, by the electronic device, a screen shielding area according to position information of the at least one sensing device in a case where the accessory device is placed on the screen of the electronic device, the screen shielding area being an area of the screen of the electronic device blocked by the accessory device;
• adjusting, by the electronic device, touch scanning frequency of the screen shielding area, and turning off, by the electronic device, display drive of the screen shielding area, according to the screen shielding area.