The content of the handwritten newspaper to welcome the National Day and celebrate the Mid-Autumn Festival can be written in terms of concept introduction, description of celebration methods, display of traditional culture, etc.

1. Concept introduction: The beginning of the handwritten newspaper can be a short introduction, explaining the concept and historical background of the two festivals, National Day and Mid-Autumn Festival. For example, it can be mentioned that National Day is the birthday of the Republic of China, representing the independence and national liberation of the Chinese people; while the Mid-Autumn Festival is one of the important traditional Chinese festivals, implying reunion and homesickness.

2. Describe the celebration methods: You can describe the celebration methods of these two festivals respectively. For example, the National Day is celebrated by raising the national flag, singing the national anthem, holding military parades, mass marches, etc.; while the Mid-Autumn Festival is celebrated by admiring the moon, eating moon cakes, guessing lantern riddles, playing with lanterns and other traditional customs. When describing these celebrations, you can add some specific details and related historical stories, such as the connection between the custom of enjoying the moon during the Mid-Autumn Festival and the legend of Chang'e flying to the moon.

3. Display traditional culture: In handwritten newspapers, the significance of National Day and Mid-Autumn Festival can also be reflected by displaying elements of traditional Chinese culture. For example, you can add some poems, couplets, paper-cuts, paintings, etc. of traditional Chinese festivals, or describe some symbols and symbols representing traditional Chinese culture, such as dragons, phoenixes, lions, unicorns, etc.

Ways to celebrate the Mid-Autumn Festival:

1. Moon appreciation: On the night of the Mid-Autumn Festival, appreciating the moon is a very important way to celebrate. People can choose to enjoy the moon in a beautiful park, on a mountain top or by a lake. When admiring the moon, you can recite ancient poems about the moon, such as "Thoughts on a Quiet Night," etc., or listen to traditional folk tales, such as Chang'e flying to the moon. You can also hold a traditional lighting ceremony and make lanterns to hang indoors or outdoors to add to the festive atmosphere.

2. Eating mooncakes: Mooncakes are an essential food during the Mid-Autumn Festival. Mooncakes come in many different flavors and appearances, such as five kernels, bean paste, egg yolk and lotus paste, etc., symbolizing reunion and happiness. During the Mid-Autumn Festival, people gather together to taste mooncakes and share each other's lives and happiness.

3. Family gathering: The Mid-Autumn Festival is a time for family reunion. Family members can have dinner together to celebrate the festival. In addition to tasting delicious food, you can also watch the Mid-Autumn Festival Gala, sing, play games, etc. to enhance your relationship and enjoy the joy of reunion. You can also contact relatives and friends far away through phone calls or video calls to share the joy of the festival.