Hello @Superque16
Thank you for your question.
Yes, we offer the possibility to store your luggage at most train stations. Here you can find all information: Store your luggage at the SBB travel centre | SBB
You can look for a specific city or destination and follow the link to check the opening times.
If you have any doubts pelase call our colleagues at the SBB Contact Center (0041 848 44 66 88, CHF 0.08/min)
I wish you a pleasant stay in Switzerland.
Greeting
EleonoraS