Treatment For Random Cuts. I Don't Know, Suddenly Cut On

treatment for random cuts. I don't know, suddenly cut on my face hands or legs. some times on my face, some times on my left hand, mostly on my left hand, some times on my right hand, rarely on my face. And some times on my legs, not at a time on my both legs, some times on my right leg, sometimes on my left leg. I don't know, Why it is happening sometimes? Not every time. My request is: Give me correct suggestion.
Thank u,
SAIRAM SAIRAM