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A steam cleaner can be a great way to get a deep stain or smell out of the carpet, such as vomit smell. Steam will kill germs and bacteria in the carpet, thereby removing the odor. Make sure the steam cleaner is suitable for use on your carpet type. Steam cleaners can reach high temperatures that can melt some fabric fibers. Check your carpet care guide before you use a steam cleaner on it to ensure it is safe for use on the carpet. to the carpet. Fill the steam cleaner with detergent or white distilled vinegar. Vinegar is a good option for deodorizing the carpet. Then, run the steam cleaner over the area on the carpet with the vomit smell. This will steam the area, removing any odors.  Push and pull the steam cleaner over the carpet to steam it and clean it. Once you are done, let the carpet dry completely. The vomit smell should be gone. If you are nervous about using a steam cleaner on the carpet, consider getting it professionally cleaned. A professional cleaner will know how to address the vomit smell on the carpet and remove it. You can look up professional carpet cleaners online or ask people you know with carpet to recommend a good cleaner.
Find a steam cleaner suitable for your carpet. Apply the steam cleaner Get the carpet professionally cleaned.