My scalp smell really bad and its gets hot i can feel it, theres also pimples up there and its really itchy and irritating. please help me!

Shampoo daily?x2: Start with washing your hair and scalp daily with shampoo, twice a day would be better. If after trying this for a month does not resolve the issue, it would time to see a doctor, especially a dermatologist.

Use head and shoulde: Try head and shoulder shampoo as it's likely fungal infection. If that doesn't work, Ketoconazole shampoo will do. Without seeing it, hard to guess what that is, consider seeing doctor

Tinea capitus: A number of scalp conditions could cause these symptoms. Tinea capitus is a fungal infection of the scalp which causes itching, scaling, crusting, pustules and occassionally infection with bacteria (kerion). Tinea capitus requires several weeks of oral antifungal medications with or without an antibacterial. Your doctor can help you determine if this is what you have.

Sounds like your: Scalp is getting infected.Need to treat the infection first and see if there are any underlying fungal infection . Hygiene is important . If your hair is thick , you need to wash thoroughly. Use selsun blue, nizoral (ketoconazole) shampoo etc. please consult with your physician and get treated right away.