The invention discloses purslane fish balls which are nutritious, good-looking and tasty, and a preparation method of the purslane fish balls. The method takes fresh fish meat, fat pork and purslane as main materials, and corn starch, egg white, composite phosphate, soy isolate protein, table salt, monosodium glutamate, cooking wine, green onions, gingers and the like as auxiliary materials; and the purslane fish balls are prepared by the following main materials and auxiliary materials in parts by weight: 40-60 parts of fresh fish meat, 8-15 parts of fat pork, 1-3 parts of purslane, 2-3 parts of corn starch, 4-8 parts of egg white, 0.5-2 parts of composite phosphate, 1-3 parts of soy isolate protein, 1-3 parts of table salt, 0.2-1 part of monosodium glutamate, 0.2-0.5 part of cooking wine as well as 0.5-2 parts of green onions and gingers. The edible wild herb purslane with functions of nutrition and health care is added into the fish balls, so that the fish balls have special flavor and rich nutritional value to form a new fish ball product with higher market potential, and the purslane fish balls have important significance in the aspects of developing the edible wild herb resource, fully utilizing the medical care value of the purslane and saving the production cost.