The invention discloses an extracting method of bitter from Momordica grosvenori, which comprises the following steps: 1. adding Momordica grosvenori with 60-90% Momordica grosvenoritin in the pure water; dissolving to blend evenly to obtain Momordica grosvenori extract liquid; 2. proceeding positive and negative ion exchanging resin or composite ionic exchanging resin or negative and positive exchanging resin sequently to remove impurity; removing bitter material; 3. spraying to dry the powder of Momordica grosvenori extract. |