The causes of excessively high serum test lipoprotein a may be improper diet, little exercise and heredity. A common cause of excessive serum lipoprotein a is improper diet. In daily life, if excessive fat, high sugar, greasy, spicy and irritating food is consumed, it may cause lipoprotein a to exceed the normal value. In the case of a normal diet, if there is little exercise, the consumption of lipoprotein A is reduced, which may also lead to the phenomenon of lipoprotein A exceeding the normal value. Excessive lipoprotein a is also related to genetic factors, may be due to genetic mutations leading to elevated serum lipoprotein a, generally exists in the family members have elevated phenomenon. Serum test lipoprotein a super high should go to the hospital, the doctor according to the specific circumstances to determine the cause of super high, give timely correction.