At present,the jam on the market is mainly fruit flavor type,single flavor type and low nutritional value.By combining spirulina with apple,lemon and other fruits innovatively,a new type of jam with health care function was developed.When the added amount of spirulina is 1.2 g,the added amount of rock sugar is 12%,and the cooking time is 35 min,the compound jam of spirulina is sweet and sour,with rich fruit flavor and high sensory score.