A lot of small pimples on the thighs may be caused by folliculitis, contact dermatitis, eczema and other diseases, you can take general treatment, medication and other ways to improve. 1. Folliculitis: If folliculitis causes a lot of small pimples on the thighs, pay attention to personal hygiene, do not scratch the affected area. If it is caused by bacterial infection, the patient can follow the doctor’s instructions for topical antibiotic treatment, such as mupirocin ointment, fusidic acid cream, etc., with antibacterial effect. If it is caused by fungal infection, you can use antifungal ointment, such as miconazole, econazole, etc., to play a bactericidal effect. 2. Contact dermatitis: For contact dermatitis caused by a lot of small pimples on the thighs, daily shower, wear loose and comfortable clothes. Patients can follow the doctor’s instructions to apply hydrocortisone, dexamethasone and other glucocorticoid ointment, with anti-inflammatory effect. 3. Eczema: a lot of small pimples on the thighs may be caused by eczema, you need to look for allergens, avoid scratching and infection. Patients can follow the doctor’s instructions to apply glucocorticoids, such as hydrocortisone ointment, mometasone furoate cream, etc., with anti-inflammatory effect. There are many reasons that lead to a lot of small pimples on the thighs, it is recommended that patients go to the hospital to clarify the cause of the disease, standardized treatment.