打开微信时需要密码进行解锁是需要支持应用锁的手机才可以进行相应的设置，在这里以华为P10手机为相关的实际例子，打开微信时需要密码的设置方法如下：
1、在手机的界面点击手机上的【设置】。
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2、进入到设置的页面以后，接着点击【安全和隐私】。
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3、进入到安全和隐私页面以后，接下来点击【应用锁】。
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4、然后输入自己应用锁的密码进入到应用锁的设置页面。
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5、最后将微信的设置锁的开关按钮开关打开就实现了打开微信时需要密码的目的了（此时每次打开微信的时候必须进行解锁才能正常地进入到微信APP）。
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