Brush directly when scraping putty. After all, no one can see inside, and putty can't be colored. Clean the wall first, scrape putty, brush primer and latex paint, and mix colors when brushing latex paint, which can add some colors to the monotonous room. Chen Guang latex paint is green and healthy, pollution-free, dirt-resistant, scrub-resistant and corrosion-resistant. Paint and dry for about a month before you can move in.