There is no certain quick recovery method for 7 months old baby’s muffled voice from cold, usually it can be recovered by drinking water diligently, symptomatic supportive treatment and other methods. 7 months baby cold mute voice is a very common symptom, in addition to mute voice there may be a runny nose, nasal congestion and other cold symptoms, you can give the child to drink water diligently, to keep the throat moist, to avoid dryness, conducive to the recovery of the voice. You can also use medications including watermelon cream tablets under doctor’s supervision to reduce the symptoms of sore throat and hoarseness. Symptomatic supportive treatment. 7 months baby cold mute voice, due to the baby’s age, it is recommended to take the child to the hospital in a timely manner to check, under the guidance of the doctor’s treatment, and follow the doctor’s instructions to use medication.