When serum apolipoprotein a is low, it can be improved by the following methods: 1, you can supplement deep-sea fish, such as salmon, tuna, Spanish mackerel, swordfish. This type of deep-sea fish is rich in unsaturated fatty acids and has high quality protein. 2, pay attention to the supplementation of olive oil, olive oil is a better oil, now a more popular diet is the Mediterranean diet, the Mediterranean diet is enhanced with olive oil can improve the phenomenon of low apolipoprotein a. In addition, pay attention to the supplementation of high-quality protein, high-quality protein from sea cucumber, tenderloin, milk, eggs, tofu, soybeans and other foods.