The best time to apply hot compress is at night every day, before going to sleep, each hot compress can be used for 1 hour, a good night's sleep, so that the body can get a night of rapid recovery and adjustment.

Yes, the coarse salt hot packs every four or five times after the use of coarse salt should be replaced all over. Each time you heat it, you should pour out the coarse salt in the pot and fry it, don't use microwave oven, so as not to destroy the molecular structure of the coarse salt by microwave, which will affect the effect.

1. After heating the hot compresses placed on the site must first try the temperature, when using, such as the temperature of the hot compress package is higher, can be more padded in the affected area of some towels or to do a cloth cover, to avoid scalding;

2. Hot salt compresses after half an hour, do not drink cold water or cold water to bathe and hand, to avoid the pores open infected with wind and cold.

3. Drink more than the usual amount of warm water after the hot compress (never drink cold water or ice water), which helps to expel toxins from the body;

4. It is not advisable to apply warm compresses within an hour after meals. The pulse rate of more than 90 times per minute forbidden to compress; too hungry, too full, drunken forbidden to compress;

5, menstruation can also be used to coarse salt hot compresses, on the menstrual cramps have a certain degree of help. However, if the amount of menstruation is too much, it is best to suspend the use.

6, but if you intend to get pregnant must pay attention to the possibility of conception after ovulation, if you continue to use hot compresses will cause malformation of the fertilized egg, so the best hot compresses in the menstrual period to the period before ovulation.