The invention discloses a chayote compound fish ball. The chayote compound fish ball is prepared from, by weight, 40-50 parts of fish meat, 20-30 parts of chayote, 10-20 parts of great cat-tail, 10-20 parts of sweet wormwood herb, 3-5 parts of Yuhua tea leaves, 3-5 parts of walnut powder, 3-5 parts of corn starch, 5-8 parts of glutinous rice flour, 2-3 parts of scallion, ginger and garlic powder, 3-5 parts of edible salt, 5-10 parts of soybean oil, 3-5 parts of egg white and 5-10 parts of purified water. The preparation method comprises the steps of preparation of chayote slices, great cat-tail slices, a Yuhua tea extracting solution, india wormwood herb balls, minced fish and compound minced fish and fish ball molding. The compound fish ball is a high-quality green and safe fish ball with good elasticity, chewiness, color and lustre, aroma, nutrition and the like.