No the screen not damage ...i went to service center and checked my mobile......he says this is hardware problem sometime so thats why touch getting problem ...and he also suggest me to flahing my mbole than touch will be ok....is that right or safe ...?

Hey, looks like your screen is damaged. Please take your phone to your nearest Meizu authorised Service Center to get the display checked. If it is faulty and under warranty then it'll be fixed for free.