The main reasons why you should not pick off the scab and pus are as follows: First, the pus is caused by Staphylococcus aureus infection, if you pick it off with your hands, the bacteria on your hands will enter the bloodstream through the infected surface, the lighter the infection will expand, the more serious may appear high fever, and even toxemia, bacteremia, may also be life-threatening. If you pick off the scab and pus with your hands, it may lead to scarring of the skin, and if you have scars, you will have scarring that will affect your beauty. In the case of scabbing and pus, it is best to go to the hospital to irradiate red light to reduce inflammation, itching and pain, and apply topical Bactrim ointment, as well as take oral or sedative antibiotics, depending on the condition of the medication.