To see a button in your dream indicates wealth and security. Alternatively, the dream may also be a metaphor for being too “buttoned up” or refrained. You need to let loose and be yourself.
To dream that you are unbuttoning your clothes denotes that you are opening yourself to others, either on a mental, emotional, or sexual level.
To lose a button in your dream signifies your tarnished self-image. You are feeling insecure and unconfident about yourself.