Why cholesterol is rising?

As within half year eating just vegetable meal, and fatness milk, but cholesterol in blood still high, why this is happening?
As animal products with a high fats as pork, lard, butter oil, fat meat, eggs are rising cholesterol, and leading to obesity ans they are affecting on the cholesterol indexes, but you must to know organism getting cholesterol not just of meal,which you are eating.Organism self produces are for 4 times a more cholesterol,than in a same quantity,which entering with meal, and if his work destroy,thus he is manufacturing as more cholesterol as depositing on the walls o vessels,as rising a risk for cardiovascular diseases, and therefore limiting fats are not enough here,but I must to do?
1.Doing test,that bad results of health a liver and thyroid gland are reasons for the high cholesterol.
2.Avoiding of bad habits, they are blocking as substance effective as suppressing for a manufacturing bad cholesterol.
3.Avoiding stresses affecting, they are disordering nerve system, controlling for the manufacturing in organism are importance substances.
4.Add exercises as of walks, as easy gymnastic, thus cholesterol will low.
5.As  check for a fats and carbohydrates quantities, as cholesterol forming of fat acids and vinegar acid as manufacturing in the carbohydrate splitting,thus eat less sweets are cookies,pastry.