Bracelet change displaying method

The invention relates to a bracelet change displaying method. The method comprises the following steps: 1) a processor determines whether a bright screen is generated by raising a hand or twisting a wrist no not; 2) the processor determines whether current display on a display screen is a blood oxygen data display interface or not; 3) the color of the screen is determined according to a blood oxygen value; and 4) the backlight brightness is determined according to the blood oxygen value. Through the above technical scheme, when the user cannot accurately see the numbers displayed on the screen, the blood oxygen value can be determined according to the background color and a backlight luminance value of the screen, the user can be prompted to move in a physically bearable scope in a healthymode, and overexercise can be prevented. 种手环显示变化的方法，所述方法包括如下步骤：步骤，所述处理器判断是否出现抬手亮屏或者转腕亮屏；步骤二，所述处理器判断所述显示屏的当前显示是否为血氧数据显示界面；步骤三，根据血氧值确定屏幕的颜色；步骤四，根据血氧值确定背光亮度。通过上述的技术方案，当用户不能准确看到屏幕显示的数字时，可以通过屏幕的背景颜色以及背光亮度值来判断血氧值，以提醒用户在体能能够承受的范围内健