How to remove render noise in blender?

Question

3D

Lots of noise when processing in cucles

Answer 1

You need to understand ray tracing. Very good to understand. Then your noise will disappear.
Here are some tips that helped me at one time - link .

Answer 2

Noice can be reduced by increasing the sample count from the samples tab render settings tab. Increase the sample from default 128 to 256 or 512, although it will increase rendering ring but you will get a very clear image.