How can we change our Surrounding People to the Positive?

Many different mindset people are in our world. Please suggests to me How can we change the negative mindset of people into positive? Give me some tips

First, we must have a positive mind, Then only we can change others and when We speak in a positive way to them, They also try to change into a positive mindset. Try this way. :)

First change your mindset positively, look for the positivity in everything around you. eliminate negative mindsed people in your circle and create your own set of people withe circle of positive mindset people.