How does HarmonyOS cancel the healthy use of mobile phones?

After turning on Huawei's mobile phone for healthy use, we can intuitively see how long we use an application every day, but some friends don't like this function. So how does HarmonyOS cancel the healthy use of mobile phones?

How does HarmonyOS cancel the healthy use of mobile phones? 1. Click Healthy Use Time in the phone settings menu.

2. Click to turn off the healthy use of the mobile phone and confirm to turn it off.

Taking Huawei mate40pro as an example, this paper applies it to HarmonyOS System 2.0.