1, Nine Poisonous Days and Nine Poisonous Days refers to the fifth, sixth, seventh, fifteenth, sixteenth, seventeenth and twenty-fifth, twenty-sixth and twenty-seventh days of the fifth lunar month every year, which are nine poisonous days of heaven and earth; Plus fourteen days of heaven and earth, one * * * ten days. May of the lunar calendar is also called poison month in the folk solar terms, and the ninth day of the poison month is the most harmful day, so sexual life is forbidden. The ancients usually drink realgar wine and insert wormwood in these days to ward off evil spirits. Traditional Chinese medicine health, pay attention to self-cultivation, proper exercise and proper sexual intercourse, can help the health. Just as people generally think that one drop of essence and ten drops of blood, TCM health care also thinks that kidney is the innate foundation, which mainly stores essence. The generation of qi and blood depends on essence, which can be transformed into essence and stored in kidney, so there is a saying that essence and blood are homologous, which is also emphasized in Huangdi Neijing, a classic Chinese medicine. Therefore, it is not only harmful to health, but also affects personal fortune, especially in the nine toxic days when the sun is strong. 2. The first seven days of the first seven days belong to the days of doing nothing. In folk customs, seven days after death, the deceased doesn't know that he is dead, and will wander around the home or the place he liked before his death. In religious terms, sexual intercourse between men and women is unclean. If someone in the family dies, it is not appropriate to have sex seven days before the wake, so as not to touch the spirit or foul smell of the deceased, unless one's own relative dies.