Please explain so we can help you.
What is your sisters status in Canada? Citizen, PR, work permit, student etc.?
Which province does your sister live in?
How old are you and are you an orphan?
Do you have education, apprenticeship or other skills as well as work experience?
Is your sister single and childless and living in Canada alone and your parents are deceased?
These answers can help us determine if there is a program you qualify under if you want to immigrate.