The treatment of strangulation is flexible, and the treatment site can be selected according to the condition, generally the neck, back and other parts are selected. You can help yourself, so it is also a very practical self-therapy. Bend the middle finger and forefinger into a hook and pinch the skin with water, causing local blood stasis. This method of removing blood stains on the skin caused by ligature marks is called ligature mark therapy. When implementing this rule, you don't need any instruments, just use your fingers.