The 4 shortest Qul Surahs ( سورة الكافرون ; سورة الإخلاص ; سورَةُ الفَلَق and سورة الـناس) are known as the shielding chapters in the Qur'an. These are four extremely short surahs which, when recited, provide an abundance of safety:
Benefits of reciting 4 Quls
The 4 Quls are the powerful Surahs in the Quran that holds immense rewards and benefits. They are well-known Surahs to get protected from the evils.
Hazrat Aisha (RA) narrated that Prophet Muhammad (SAW) went to bed every night, he used to cup his hands together and blow over them after reciting Surah Al-Ikhlas, Surah Al-Falaq and Surah An-Nas and then rub his hands over whatever parts of his body, starting with his head, face and front of his body. He used to do that three times. [Bukhari]