also: どうしますか
expression
what to do; what will you do
A fixed expression used to ask or consider what action to take. The plain form どうするか is common in embedded questions and self-reflection, while どうしますか is a direct polite question.
これからどうするか、まだ決めていない。
I haven't decided what to do from now on.
もし地震が起きたら、どうしますか。
What will you do if an earthquake occurs?