Desirable: Light diet, active treatment, and keep your hands off your ears. Avoid: 1. bad stimulation of the ear canal, such as repeated use of unclean ear digging tools, rubbing with cotton swabs to relieve itching, etc. 2. bad eating habits, excessive consumption of spicy and stimulating foods, such as wine, barbecue, hot pot, fish and seafood, and other spicy and sizzling products.