Abstract: The invention provides a hair comb, which comprises a comb body and a plurality of comb tooth sets. The comb tooth sets are configured side by side on the comb body. Each comb tooth set comprises a comb tooth portion, a base, and a support portion. The comb tooth portion is provided on an upper surface thereof with a plurality of comb needles having elasticity. The support portion comprises a first connection member, a plurality of elastic support members, and a second connection member. The elastic support members are configured between the first connection member and the second connection member. The first connection member is connected to the comb tooth portion. The second connection member is connected to the base. The hair comb can effectively straighten out or unwind the winding or the knotting of hair in different positions or of different degrees so as to protect the hair.