Folding bed

The utility model provides a folding bed. The folding bed comprises a first bottom rod, a second bottom rod, a first folding rod assembly, a second folding rod assembly and a flexible mattress, the first bottom rod and the second bottom rod are arranged in parallel; the first folding rod assembly comprises an even number of first side rods; the first side rods are sequentially pivoted to form a first pivoting part; the first side rod positioned at the head part is pivoted with one end of the first bottom rod; the first side rod positioned at the tail part is pivoted with one end of the secondbottom rod; the second folding rod assembly comprises second side rods of which the number is the same as that of the first side rods; the second side rods are sequentially pivoted to form a second pivoting part; the second side rod positioned at the head part is pivoted with the other end of the first bottom rod; the second side rods located on the tail portion are connected with the other ends of the second bottom rods