When people perform physical exercise, there is often friction on the body, most commonly on the inner thighs and between the upper arms and the body on both sides. In addition, accidental knocks and scrapes may also cause bodily injury, which is most common in the medical coverage of the marathons we conduct. Now is a good time for everyone to exercise, for you to propose some prevention and treatment tips. A, prevention 1, in a longer distance running or walking before, make preparations, in the easy to rub parts of the lubricant such as rubbing Vaseline, or paste protective tape, etc., if wearing clothes to friction coefficient is small, loose as good. 2, running or walking to focus on, observe the road or environment in advance, not the race to maintain a certain distance from peers to avoid collisions. 3, prepare for the action in advance, the strength of the road to avoid fainting outside. 4, long-distance exercise to prepare in advance disinfectant, bandages and other rescue supplies. Second, treatment 1, minor scrapes simple disinfection can be, if deeper, bleeding more, disinfection sprinkled with disinfectant powder, bandage. 2, large injuries to promptly seek medical attention, if there is more bleeding, compression to stop bleeding, serious can be compressed proximal vessels to stop bleeding, seek medical attention nearby. 3, the appearance of large blisters, to be decided by the doctor whether to puncture the fluid, to be carried out under sterilization, not to handle themselves to avoid infection. Skin abrasions are common acute wounds in surgery and emergency departments, and as people’s quality of life improves, patients’ requirements for wound healing and comfort increase accordingly. For women, children and bedridden patients and patients with wounds located in joints, face and other parts of the body, as well as patients with higher requirements for wound healing, hydrocolloid dressing or hydrocolloid dressing combined with alginate dressing can be used according to wound characteristics and patient conditions. It can shorten the healing time and improve the healing quality, as well as enhance the nursing efficiency.