If you miss the first free throw, the game should continue, and there will be no more free throws. If the free throw doesn't touch the basket, it's a foul, and the opponent throws a foul ball on the sideline.
Extended data;
Basketball rules are divided into FIBA rules, NBA rules and NCAA rules according to the scope of application. The common basketball rules in the world are FIBA official basketball rules designated by FIBA.
Basketball has been widely popularized and developed in the world. In order to make this sport attractive and vital forever, and to be unified and standardized in the continuous development, the International Basketball Federation has continuously improved the basketball rules in recent years, and revised the rules every four years.
The FIBA Central Bureau meeting has passed the basketball rule of 20 18, and decided to formally implement it on a global scale from 201810/.
The whole "basketball rules" refer to male coaches, male players, male referees and so on. Obviously, this also applies to women.
Baidu encyclopedia-basketball
Baidu Encyclopedia-Basketball Rules