In big cities, the news of white-collar workers dying from overwork is common in the media and casts a lingering shadow on everyone’s mind. In fact, such “overwork death” is traceable, before the body has issued a lot of warnings, but did not pay enough attention to. For example, frequent dizziness and headache, heavy head, nausea, chest tightness and so on, how to preserve health, relieve stress, to avoid overwork or even extreme danger, self-massage is a simple, convenient and effective method. Self-treatment 1, thumb rubbing Fengchi point for about 1 minute. 2, grasp comb five meridians: five fingers apart, hands from the front to back grasp comb 5 times, requiring a slight local pain. 3, squeeze and push the side of the head: two hands placed on the ears on both sides of the head, in a moderate squeeze from front to back to push both sides of the head 20 times. 4.Five fingers slightly flexed, with the fingertips tapping the head for about 2 minutes, to the degree that the scalp is hot. 5, pinch and press the Nei Guan point for about 1 minute, to local soreness is appropriate.