Sodium bicarbonate is commonly known as "baking soda", "baking soda", "heavy acid", white fine crystals, solubility in water is less than sodium carbonate. It is an industrial chemical and may be toxic. The solid starts to decompose gradually to form sodium carbonate, carbon dioxide and water above 50℃, and decompose completely at 440℃. Sodium bicarbonate is an acid salt produced by neutralizing a strong base with a weak acid, and is weakly alkaline when dissolved in water. This property allows it to be used as a bulking agent in food preparation. Sodium bicarbonate will leave a residual sodium carbonate after its action, and using too much of it will give the finished product an alkaline flavor.

Soaking feet in warm water can be an aid to lowering blood pressure, because when it's cold the blood vessels constrict and it's easy to trigger high blood pressure, while in a warm environment the blood vessels dilate and the blood pressure will be stable, but this is not a substitute for normal medication.

High blood pressure can only be controlled by oral medication, baking soda for antacids is possible, can be used as a disinfectant. The foot soak to lower blood pressure should be more difficult, just an auxiliary treatment method.

High blood pressure requires long-term medication, can not be cured, must be long-term adherence to medication ah. Eat more celery, especially its root, can have an auxiliary role in lowering blood pressure. You should pay attention to the low-salt diet, low-fat diet. Must ban smoking, alcohol, avoid emotional excitement.