make sure UILabel height constraint not to be constant, if constant it have to set Relation greater than or equal to from attribute inspector
make sure UITableViewestimate row height set as per your.
self.TableName.estimatedRowHeight = 85
and write in UITableViewCell class
Cell.lbl_name.sizeToFit()
Cell.lbl_name.numberOfLines = 0
Make sure your UITableViewDelegate method
func tableView(tableView: UITableView,
heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat
{
return UITableViewAutomaticDimension
}