At present, high blood lipid is a risk factor leading to coronary heart disease, hypertension and stroke, so how can we know whether we have high blood lipid and timely and reasonable treatment? You can judge from the following 5 aspects. First, more black spots (plaques slightly larger than age spots and darker in color) appear on the face and hands within a short period of time, and memory and reaction power are obviously reduced. 2nd, seeing things blurred for a while, which is caused by the blood becoming viscous and slowing down the flow rate, so that the optic nerve or retina is temporarily ischemic and hypoxic. 3rd, dizziness or falling asleep easily in between talking to people. Wake up in the morning feeling not clear-headed, can be improved after breakfast, very easy to be sleepy in the afternoon, but very awake at night. 4th, eyelid yellow warts is the middle-aged and elderly women signal of increased lipids, mainly manifested as a small yellowish rash on the eyelids, the beginning of the size of a grain of rice, slightly higher than the skin, when the seriousness of the eyelids covered the entire eyelid. 5th, the leg belly often cramps, and often feel tingling, this is the cholesterol accumulation in the leg muscle performance.