The thinner tennis line can eat the ball deeper, so it means that it can add more rotation and control to the ball. However, the result is that the line is not durable, so it is more suitable for the players in front of the net who use their strength to hit the ball; The thicker tennis line is more durable, so it is more suitable for bottom-line players who often take the initiative to use. When selecting the tennis line, you can select the thicker or thinner tennis line according to your own playing method.