Abstract: A protection method using a password verifying schedule for a mobile communication device is disclosed in this invention, which comprises at least the steps of setting a password verifying schedule and a first password then storing said password verifying schedule and said first password, determining whether system time of the mobile communication device equals set time in said password verifying schedule, and acquiring a second password from a user if the system time equals the set time then verifying whether said second password matches said first password or the mobile communication device working normally if said second password matches said first password, or restricting functions of the mobile communication device if said second password doesn't match said first password and working normally if the system time does not equal the set time.