For red bumps on the inner thighs, if they are accompanied by itching, the condition is mostly considered to be caused by a rash. First of all, you should get rid of the allergen, avoid spicy and fish and other irritating and allergy-prone foods, and apply vitamin C, dexamethasone, and calcium gluconate to relieve the itching symptoms. For eczema and other fungal infections, anti-neural creams such as acetic acid, budesonide and econazole ointment can be applied. And for red bumps on the inner thighs if there is obvious pain, it may be lymphadenitis, folliculitis or sebaceous cysts and infections, in this case, firstly, sensitive antibacterial drugs should be used for treatment, such as cephalosporins and penicillins for gram-positive cocci, commonly used are cefadroxil, roxithromycin, amoxicillin, etc. Serious patients also need intravenous administration. For patients with significant local redness and pain, magnesium sulfate can also be applied, and if an abscess is formed, an incision and drainage should be given in a timely manner, and excision under local anesthesia can be considered for more limited cases.