A large crowd followed Him because they saw the signs He was performing on the sick.
2. And a great multitude followed him. So great ardor in following Christ arose from this, that, having beheld his power in miracles, they were convinced that he was some great prophet, and that he had been sent by God.
We have here an account of Christ's feeding five thousand men with five loaves and two fishes, which miracle is in this respect remarkable, that it is the only passage of the actions of Christ's life that is recorded by all the four evangelists.
Commenting on John 6:1-14
And a great multitude followed him,.... From several cities and towns in Galilee, where he had been preaching and working miracles: because they saw his miracles which he did on them that were diseased; so that it was not for the sake of his doctrine, or for the good of their souls, they followed him; but either to gratify their curiosity in seeing his miracles...