For those experiencing a cold due to lung heat, the main symptoms include excessive phlegm, sore throat, and a runny nose. It is essential to address this condition promptly. Improvements can be made through dietary changes, such as consuming foods that reduce lung heat. It is best to take treatment medication promptly for effective relief and improvement. Additionally, it is crucial to avoid excessive fatigue and refrain from consuming too cold or irritating foods. A lighter diet, including more celery and tomatoes, is recommended.