NSString * htmlString = @" html代碼";

NSAttributedString * attrStr = [[NSAttributedString alloc] initWithData:[htmlString dataUsingEncoding:NSUnicodeStringEncoding] options:@{ NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType } documentAttributes:nil error:nil];

UILabel * myLabel = [[UILabel alloc] initWithFrame:self.view.bounds];? myLabel.attributedText = attrStr;

[self.view addSubview:myLabel];