Is your topology like this picture?
If not, try to draw it out to make it possible for us to understand and try to give a solution.

topology.jpg

yes this is my topology

would you please show me step by step
I am a microtik beginner
sorry

first of all
thank you sir for your response
now the devices on LAN can see the devices on WAN
BUT the devices on WAN CAN'T see devices on LAN

what is the role to do this ???

thanks again

I have 2 interfaces
wan 192.168.1.1
Lan 197.2.1.1

I need the clients on both interfaces to be able to see each other and share files ??
I don't know how to do this or what is is the suitable rule ??
thanks in advanc