In the name of Allah the most gracious and merciful. List of 7 things that can break your fast
Eating and drinking.
Cupping and Hijamah.
Menses or post-natal bleeding.
The Messenger of Allah (ﷺ) said: "Whoever breaks the fast during Ramadan without an allowance or illness, then if he fasted for all time, his fasting would not make up for it." (Jami` at-Tirmidhi 723)
Eating and Drinking
The Prophet (ﷺ) said, "If somebody eats something forgetfully while he is fasting, then he should complete his fast, for Allah has made him eat and drink." (Sahih al-Bukhari 6669)
Taking any kind of medicine i.e injections or drips etc can break your fast. For example, if you take any antibiotics or inject insulin, your fast is broken.
Prophet Muhammad (ﷺ) said, “Whoever unintentionally vomits, he does not have to make up for the fast, but whoever makes himself vomit, has to make up for the fast.” (Ibn Majah 1676)
If anyone of us vomits unintentionally then we will have to continue our fast but if we ourselves try to make vomit ourselves then it broke our fast if we vomit in this case.
Cupping and Hijamah
Prophet Muhammad (ﷺ) had said, 'The cupper and the one for whom cupping is done both breaking their fast.' (Ibn Majah 1679)
The Prophet (ﷺ) said, "Allah said: The Fast is for Me and I will give the reward for it, as he (the one who observes the fast) leaves his sexual desire, food, and drink for My Sake. Fasting is a screen (from Hell) and there are two pleasures for a fasting person, one at the time of breaking his fast, and the other at the time when he will meet his Lord. And the smell of the mouth of a fasting person is better in Allah's Sight than the smell of musk."
Sexual relationship with your wife during fasting breaks your fast. However, the physical relationship is allowed will your wife during nighttime when you are not fasting.
Menses or post-natal bleeding
Menses or post natal bleeding Break your fast even if experienced a few seconds before the maghrib prayer.
Keep yourself away from these things, they all breaks your fast. Read Quran in this month of blessing (Ramzan), recite tasbeh as much as you can, pay zakaat (Charity), help needy, forgive all your family members and friends etc, do good with your parents and everyone, be kind, don't be angry, be happy, listen to Quran and much more. Do good acts in this month and earn maximum reward from Allah Almighty.