The baby's bottom is red, which may be caused by diaper dermatitis or diarrhea. Frequent defecation of infants stimulates skin formation. Baby herbal gel is made of aluminum tube or aluminum-plastic composite tube, hydrophilic polymer material, water and mint and other plant extracts. It is suggested that parents can change diapers frequently, keep buttocks dry and breathable, and wipe them with lavender oil if necessary.