以下是一些有助于预防心血管疾病的药膳：
 
一、山楂粥
 
1. 材料
- 山楂30 - 40克、粳米100克、砂糖10克。
2. 做法
- 将山楂入砂锅煎取浓汁，去渣。
- 然后加入粳米、砂糖煮粥。
3. 功效
- 山楂能降低血清胆固醇，扩张血管，对心血管疾病有一定预防作用。
 
二、双耳汤
 
1. 材料
- 银耳10克、黑木耳10克、冰糖适量。
2. 做法
- 先将银耳、黑木耳用温水发泡，并摘除蒂柄，除去杂质，洗净，放入碗内。
- 然后加冰糖和水适量，置蒸笼中蒸1小时，待木耳熟透即可。
3. 功效
- 黑木耳和银耳可降低血液黏稠度，减少血液凝块，对心血管健康有益。
 
三、洋葱炒肉
 
1. 材料
- 洋葱1 - 2个、瘦肉100克、适量的油、盐、生抽等调料。
2. 做法
- 洋葱切丝，瘦肉切丝后用生抽腌制。
- 锅中热油，先炒肉丝至变色，再加入洋葱丝翻炒至洋葱变软，加盐调味。
3. 功效

- 洋葱含有前列腺素A，能扩张血管、降低血液黏度，可预防血栓形成。

Here are some Tonic Diet that can help prevent cardiovascular diseases:
 
1、 Hawthorn Congee
 
1. Materials
-30-40 grams of hawthorn, 100 grams of glutinous rice, and 10 grams of sugar.
2. Method
-Fry the hawthorn in a clay pot to obtain a thick sauce and remove the residue.
-Then add rice and granulated sugar to cook Congee.
3. Effect
-Hawthorn can lower serum cholesterol, dilate blood vessels, and have a certain preventive effect on cardiovascular diseases.
 
2、 Double ear soup
 
1. Materials
-10 grams of Tremella fuciformis, 10 grams of black fungus, and an appropriate amount of rock sugar.
2. Method
-First, foam the Tremella fuciformis and Auricularia auricula with warm water, remove the stems, remove impurities, wash thoroughly, and place them in a bowl.
-Then add rock sugar and an appropriate amount of water, steam in a steamer for 1 hour, and wait until the fungus is fully cooked.
3. Effect
-Black fungus and silver fungus can reduce blood viscosity, decrease blood clots, and are beneficial for cardiovascular health.
 
3、 Stir fried Pork with Onion
 
1. Materials
-1-2 onions, 100g lean meat, appropriate amount of oil, salt, soy sauce and other seasonings.
2. Method
-Cut onions into shreds, cut lean meat into shreds, and marinate with soy sauce.
-Heat oil in the pot, stir fry the shredded meat until it changes color, then add shredded onions and stir fry until the onions become soft, season with salt.
3. Effect
-Onion contains prostaglandin A, which can dilate blood vessels, reduce blood viscosity, and prevent thrombosis.