yourLabel.frame = CGRectMake(yourLabel.frame.origin.x, yourLabel.frame.origin.y, yourLabel.frame.size.width, 14.0);
CGSize textSize = [label.title sizeWithFont:label.font];
[label setFrame:CGRectmake(label.frame.origin.x, label.frame.origin.y, textSize.width, textSize.heidht)];