"Password Generator and Password Manager" is a tool for password generating and password management. This APP consists of three functional modules: Generate Password by Factors,Generate Password Randomly and Manage Passwords. Unlike previous password generating tools, it creatively puts forward the concept of "password factor", "password factor" is an user-defined "material" used to generate passwords. It can be your birthday, the name of your pet, the name of your favorite book, etc., they are symbols that are meaningful and memorable to you, but strange to others.