Bacillus subtilis is usually used to prevent traumatic infections in medium and small areas of II degree burns, it is through the implantation of dominant bacteria, can form a bacterial film, play a biological antagonistic effect, but also can play a bacteriostatic effect on the trauma, the product is usually a spray. Before using the drug should be shaken well, and the wound secretion and exudate clean, so as not to affect the therapeutic effect. Avoid the use of other topical medications during administration. The adverse effects of this product are not known, and it should be contraindicated in patients with a history of allergy. If you need to use Bacillus subtilis to treat the disease, you should go to the regular hospital to consult with the doctor about the relevant matters, under the guidance of the doctor to use the drug, strictly prohibit unauthorized use of drugs.