The invention discloses compound food gum and application thereof in instant noodles. The compound food gum is prepared from the following raw materials in percentage by weight: 60 to 70 percent of Curdlan gum, 10 to 20 percent of linseed gum, 10 to 15 percent of sodium alga acid and 5 to 10 percent of guar gum. When the compound food glum is applied to the instant noodles, the adding amount of the compound food gum is 0.15 to 0.8 percent of the total weight of flour. The compound food gum is prepared by compounding the Curdlan gum serving as a main raw material and the linseed gum, the sodium alga acid and the guar gum which serve as auxiliary raw materials, workshop operation is facilitated, and the adding amount of the compound food gum in the instant noodles is small and only 0.15 to 0.8 percent of the total weight of the flour, so that the prepared instant noodles can be quickly rehydrated before eating, the soaking time of the instant noodles is shortened, the soaked noodles arenot broken and do not make soup turbid, the toughness of the noodles is improved and the processing resistance of the noodles is improved.